24LC08

24LC08 8K-Bit Serial EEPROM OVERVIEW The 24LC08 serial EEPROM has a 8,192-bit (1,024-byte) capacity, supporting the standard I C -bus serial interface. It is fabricated using CERAMATE's most advanced CMOS technology. One of its major’ feature is a hardware-based write protection circuit for the entire memory area. Hardware-based write protection is controlled by the state of the write-protect (WP) pin. Using one-page write mode, you can load up to 16 bytes of data into the EEPROM in a single write operation. Another significant feature of the 24LC08 is its support for fast mode and standard mode. 2 TM FEATURES I2C-Bus Interface • • Two-wire serial interface Automatic word address increment Operating Characteristics • Operating voltage — 2.5 V to 5.5 V (write) — 2.2 V to 5.5 V (read) EEPROM • • • • • • • 8K-bit (1,024-byte) storage area 16-byte page buffer Typical 3.5 ms write cycle time with auto-erase function Hardware-based write protection for the entire EEPROM (using the WP pin) EEPROM programming voltage generated on chip 1,000,000 erase/write cycles 100 years data retention • • Operating current — Maximum write current: < 3 mA at 5.5 V — Maximum read current: < 200 µA at 5.5 V — Maximum stand-by current: < 5 µA at 3.3 V • Operating temperature range — – 25°C to + 70°C (commercial) — – 40°C to + 85°C (industrial) • Operating clock frequencies — 100 kHz at standard mode — 400 kHz at fast mode Electrostatic discharge (ESD) — 3,000 V (HBM) — 300 V (MM) Packages ORDERING INFORMATION • 24 LC 8-pin DIP, SOP, and TSSOP 08 X X Operating Voltage LC:2.5~5.5V,CMOS Type 08=8K Temp. grade Blank:-25℃~+70℃ Packing Blank :Tube A :Taping(SOP8) T :Taping(TSSOP8) * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 1 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM SDA Start/Stop Logic HV Generation Timing Control WP Control Logic SCL EEPROM Cell Array Slave Address Comparator Word Address Pointer Row decoder 1024 x 8 bits A0 A1 A2 Column Decoder Data Register DOUT and ACK Figure 3-1. 24LC08 Block Diagram * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 2 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM VCC WP SCL SDA 24LC08 A0 A1 A2 VSS NOTE: The 24LC08 is available in 8-pin DIP, SOP, and TSSOP package. Figure 3-2. Pin Assignment Diagram Table 3-1. 24LC08 Pin Descriptions Name A0, A1, A2 VSS SDA Type Input – I/O Description Input pins for device address selection. To configure a device address, these pins should be connected to the VCC or VSS of the device. Ground pin. Bi-directional data pin for the I C-bus serial data interface. Schmitt trigger input and open-drain output. An external pull-up resistor must be connected to VCC. Typical values for this pull-up resistor are 4.7 kΩ (100 kHz) and 1 kΩ (400 kHz). Schmitt trigger input pin for serial clock input. Input pin for hardware write protection control. If you tie this pin to VCC, the write function is disabled to protect previously written data in the entire memory; if you tie it to VSS, the write function is enabled. Single power supply. 2 Circuit Type 1 – 3 SCL WP Input Input 2 1 VCC – – NOTE: See the following page for diagrams of pin circuit types 1, 2, and 3. * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 3 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM A0, A1, A2, WP SCL Noise Filter Figure 3-3. Pin Circuit Type 1 Figure 3-4. Pin Circuit Type 2 SDA Data Out VSS Noise Filter Data In Figure 3-5. Pin Circuit Type 3 * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 4 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM FUNCTION DESCRIPTION I C-BUS INTERFACE 2 The 24LC08 supports the I C-bus serial interface data transmission protocol. The two-wire bus consists of a serial data line (SDA) and a serial clock line (SCL). The SDA and the SCL lines must be connected to V CC by a pull-up resistor that is located somewhere on the bus. 2 Any device that puts data onto the bus is defined as the “transmitter” and any device that gets data from the bus is the “receiver.” The bus is controlled by a master device which generates the serial clock and start/stop conditions, controlling bus access. Using the A0,A1 and A2 input pins, up to two 24LC08 devices can be 2 connected to the same I C-bus as slaves (see Figure 3-6). Both the master and slaves can operate as transmitter or receiver, but the master device determines which bus operating mode would be active. VCC VCC R R SDA SCL Slave 1 Bus Master (Transmitter/ Receiver) MCU To VCC or V SS To VCC or V SS 24LC08 Tx/Rx A0 A1 A2 Slave 2 24LC08 Tx/Rx A0 A1 A2 NOTES: 1. The A0, A1 do not affect the device address of the 24LC08. Figure 3-6. Typical Configuration (16 Kbits of Memory on the I C-Bus) 2 * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 5 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM I2C-BUS PROTOCOLS 2 Here are several rules for I C-bus transfers: — A new data transfer can be initiated only when the bus is currently not busy. — MSB is always transferred first in transmitting data. — During a data transfer, the data line (SDA) must remain stable whenever the clock line (SCL) is High. 2 The I C-bus interface supports the following communication protocols: • • • Bus not busy: The SDA and the SCL lines remain High level when the bus is not active. Start condition: Start condition is initiated by a High-to-Low transition of the SDA line while SCL remains High level. All bus commands must be preceded by a start condition. Stop condition: A stop condition is initiated by a Low-to-High transition of the SDA line while SCL remains High level. All bus operations must be completed by a stop condition (see Figure 3-7). ~ ~ SCL ~ ~ SDA Start Condition Data or Data ACK Valid Change Stop Condition Figure 3-7. Data Transmission Sequence • Data valid: Following a start condition, the data becomes valid if the data line remains stable for the duration of the High period of SCL. New data must be put onto the bus while SCL is Low. Bus timing is one clock pulse per data bit. The number of data bytes to be transferred is determined by the master device. The total number of bytes that can be transferred in one operation is theoretically unlimited. ACK (Acknowledge): An ACK signal indicates that a data transfer is completed successfully. The transmitter (the master or the slave) releases the bus after transmitting eight bits. During the 9th clock, which the master generates, the receiver pulls the SDA line low to acknowledge that it successfully received the eight bits of data (see Figure 3-8). But the slave does not send an ACK if an internal write cycle is still in progress. In data read operations, the slave releases the SDA line after transmitting 8 bits of data and then monitors the line for an ACK signal during the 9th clock period. If an ACK is detected, the slave will continue to transmit data. If an ACK is not detected, the slave terminates data transmission and waits for a stop condition to be issued by the master before returning to its stand-by mode. * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 6 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 • 24LC08 8K-Bit Serial EEPROM Master SCL Line Bit 1 Bit 9 Data from Transmitter ACK from Receiver ACK Figure 3-8. Acknowledge Response From Receiver • Slave Address: After the master initiates a Start condition, it must output the address of the device to be accessed. The most significant four bits of the slave address are called the “device identifier”. The identifier for the 24LC08 is “1010B”. The next three bits comprise the addr ess of a specific device. The device address is defined by the state of the A0, A1 and A2 pins. Using this addressing scheme, you can cascade up to two 24LC08 on the bus (see Table 3-2 below). The b1, b2 for 24LC08 are used by the master to select which of the blocks of internal memory (1 block = 256 words) are to be accessed. The bits are in effect the most significant bits of the word address. Read/Write: The final (eighth) bit of the slave address defines the type of operation to be performed. If the R/W bit is “1”, a read operation is executed. If it is “0”, a write operation is executed. • Table 3-2. Slave Device Addressing Device 24LC08 Device Identifier b7 1 b6 0 b5 1 b4 0 b3 A2 Device Address b2 B1 b1 B0 R/W Bit b0 R/W NOTE: The A2, B1, B0 correspond to the MSB of the memory array address word. * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 7 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM BYTE WRITE OPERATION In a complete byte write operation, the master transmits the slave address, word address, and one data byte to the 24LC08 slave device (see Figure 3-9). Start Slave Address Word Address Data Stop A C K A C K A C K Figure 3-9. Byte Write Operation Following the Start condition, the master sends the device identifier (4 bits), the device address (3 bits), and an R/W bit set to “0” onto the bus. Then the addressed 24LC08 generates an ACK and waits for the next byte. The next byte to be transmitted by the master is the word address. This 8-bit address is written into the word address pointer of the 24LC08. When the 24LC08 receives the word address, it responds by issuing an ACK and then waits for the next 8-bit data. When it receives the data byte, the 24LC08 again responds with an ACK. The master terminates the transfer by generating a Stop condition, at which time the 24LC08 begins the internal write cycle. While the internal write cycle is in progress, all 24LC08 inputs are disabled and the 24LC08 does not respond to additional requests from the master. * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 8 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM PAGE WRITE OPERATION The 24LC08 can also perform 16-byte page write operation. A page write operation is initiated in the same way as a byte write operation. However, instead of finishing the write operation after the first data byte is transferred, the master can transmit up to 15 additional bytes. The 24LC08 responds with an ACK each time it receives a complete byte of data (see Figure 3-10). Start Slave Address Word Address (n) Data (n) Data (≤ n + 15) Stop A C K A C K A C K A C K A C K Figure 3-10. Page Write Operation The 24LC08 automatically increments the word address pointer each time it receives a complete data byte. When one byte has been received, the internal word address pointer increments to the next address and the next data byte can be received. If the master transmits more than 16 bytes before it generates a stop condition to end the page write operation, the 24LC08 word address pointer value “rolls over” and the previously received data is overwritten. If the master transmits less than 16 bytes and generates a stop condition, the 24LC08 writes the received data to the corresponding EEPROM address. During a page write operation, all inputs are disabled and there is no response to additional requests from the master until the internal write cycle is completed. * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 9 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM POLLING FOR AN ACK SIGNAL When the master issues a stop condition to initiate a write cycle, the 24LC08 starts an internal write cycle. The master can then immediately begin polling for an ACK from the slave device. To poll for an ACK signal in a write operation, the master issues a start condition followed by the slave address. As long as the 24LC08 remains busy with the write operation, no ACK is returned. When the 24LC08 completes the write operation, it returns an ACK and the master can then proceed with the next read or write operation (see Figure 3-11). Send Write Command Send Stop Condition to Initiate Write Cycle Send Start Condition Send Slave Address with R/W bit = "0" ACK = "0" ? Yes Start Next Operation No Figure 3-11. Master Polling for an ACK Signal from a Slave Device * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 10 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM HARDWARE-BASED WRITE PROTECTION You can also write-protect the entire memory area of the 24LC08 This method of write protection is controlled by the state of the Write Protect (WP) pin. When the WP pin is connected to VCC, any attempt to write a value to the memory is ignored. The 24LC08 will acknowledge slave and word address, but it will not generate an acknowledge after receiving the first byte of the data. Thus the write cycle will not be started when the stop condition is generated. By connecting the WP pin to V SS, the write function is allowed for the entire memory. These write protection features effectively change the EEPROM to a ROM in order to prevent data from being overwritten. Whenever the write function is disabled, a slave address and a word address are acknowledged on the bus, but data bytes are not acknowledged. CURRENT ADDRESS BYTE READ OPERATION The internal word address pointer maintains the address of the last word accessed, incremented by one. Therefore, if the last access (either read or write) was to the address “n”, the next read operation would access data at address “n+1”. When the 24LC08 receives a slave address with the R/W bit set to “1”, it issues an ACK and sends the eight bits of data. The master does not acknowledge the transfer but it does generate a Stop condition. In this way, the 24LC08 effectively stops the transmission (see Figure 3-12). Start Slave Address Data Stop A C K N O A C K Figure 3-12. Current Address Byte Read Operation * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 11 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM RANDOM ADDRESS BYTE READ OPERATION Using random read operations, the master can access any memory location at any time. Before it issues the slave address with the R/W bit set to “1”, the master must first perform a “ dummy” write operation. This operation is performed in the following steps: 1. The master first issues a Start condition, the slave address, and the word address to be read. (This step sets the internal word address pointer of the 24LC08 to the desired address.) 2. When the master receives an ACK for the word address, it immediately re-issues a start condition followed by another slave address, with the R/W bit set to “1”. 3. The 24LC08 then sends an ACK and the 8-bit data stored at the desired address. 4. At this point, the master does not acknowledge the transmission, but generates a stop condition instead. 5. In response, the 24LC08 stops transmitting data and reverts to its stand-by mode (see Figure 3-13). Start Slave Address Word Address Start Slave Address Data (n) Stop A C K A C K A C K N O A C K Figure 3-13. Random Address Byte Read Operation * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 12 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM SEQUENTIAL READ OPERATION Sequential read operations can be performed in two ways: as a series of current address reads or as random address reads. The first data is sent in the same way as the previous read mode used on the bus. The next time, however, the master responds with an ACK, indicating that it requires additional data. The 24LC08 continues to output data for each ACK it receives. To stop the sequential read operation, the master does not respond with an ACK, but instead issues a Stop condition. Using this method, data is output sequentially with the data from address “n” followed by the data from “n+1”. The word address pointer for read operations increments all word addresses, allowing the entire EEPROM to be read sequentially in a single operation. After the entire EEPROM is read, the word address pointer “rolls over” and the 24LC08 continues to transmit data for each ACK it receives from the master (see Figure 3-14). Start Slave Address Data (n) Data (n + x) ~ ~ A C K A C K A C K N O A C K Figure 3-14. Sequential Read Operation * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 13 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM ELECTRICAL DATA Table 3-3. Absolute Maximum Ratings (TA = 25°C) Parameter Supply voltage Input voltage Output voltage Operating temperature Storage temperature Electrostatic discharge Symbol VCC VIN VO TA TSTG VESD Conditions – – – – – HBM MM Rating – 0.3 to + 7.0 – 0.3 to + 7.0 – 0.3 to + 7.0 – 40 to + 85 – 65 to + 150 3000 300 Unit V V V °C °C V Table 3-4. D.C. Electrical Characteristics (TA = – 25°C to + 70°C (C), – 40°C to + 85°C (I), VCC = 2.2 V to 5.5 V when reading, 2.5 V to 5.5 V when writing) Parameter Input low voltage Input high voltage Input leakage current Output leakage current Output low voltage Supply current Symbol VIL VIH ILI ILO VOL ICC1 (write) ICC2 (write) ICC3 (read) ICC4 (read) ICC5 ICC6 VIN = 0 to VCC VO = 0 to VCC IOL = 3 mA, VCC = 2.5 V VCC = 5.5 V, 400 kHz VCC = 3.3 V, 100 kHz VCC = 5.5 V, 400 kHz VCC = 3.3 V, 100 kHz VCC = SDA = SCL = 5.5 V, all other inputs = 0 V VCC = SDA = SCL = 3.3 V, all other inputs = 0 V Conditions SCL, SDA, A0, A1, A2 Min – 0.7 VCC – – – – – – – – – Typ – – – – – – – – – – – Max 0.3 VCC – 10 10 0.4 3 1.5 1 0.5 10 5 µA Unit V V µA µA V mA Stand-by current * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 14 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM Table 3-4. D.C. Electrical Characteristics (Continued) (TA = – 25°C to + 70°C (C), – 40°C to + 85°C (I), VCC = 2.2 V to 5.5 V when reading, 2.5 V to 5.5 V when writing) Parameter Input capacitance Symbol CIN Conditions 25°C, 1MHz, VCC = 5 V, VIN = 0 V, A0, A1, A2, SCL and WP pin 25°C, 1MHz, VCC = 5 V, VI/O = 0 V, SDA pin Min – Typ – Max 10 Unit pF Input/output capacitance CI/O – – 10 Table 3-5. A.C. Electrical Characteristics (TA = – 25°C to + 70°C (C), – 40°C to + 85°C (I), VCC = 2.2 V to 5.5 V when reading, 2.5 V to 5.5 V when writing) Parameter Symbol Conditions VCC = 2.2 to 5.5 V (Standard Mode) Min External clock frequency Clock high time Clock low time Rising time Falling time Start condition hold time Start condition setup time Data input hold time Data input setup time Stop condition setup time Bus free time Data output valid from clock low (note) Noise spike width Write cycle time FCLK tHIGH tLOW tR tF tHD:STA tSU:STA tHD:DAT tSU:DAT tSU:STO tBUF tAA tSP tWR – – – SDA, SCL SDA, SCL – – – – – Before new transmission – – – 0 4 4.7 – – 4 4.7 0 0.25 4 4.7 0.3 – – Max 100 – – 1 0.3 – – – – – – 3.5 100 10 VCC = 4.5 to 5.5 V (Fast Mode) Min 0 0.6 1.3 – – 0.6 0.6 0 0.1 0.6 1.3 – – – Max 400 – – 0.3 0.3 – – – – – – 1 50 10 ns ms kHz µs Unit NOTE: When acting as a transmitter, the 24LC08 must provide an internal minimum delay time to bridge the undefined period (minimum 300 ns) of the falling edge of SCL. This is required to avoid unintended generation of a start or stop condition. * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 15 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM tF SCL tSU:STA SDA In tLOW tHIGH tR tHD:STA tHD:DAT tSU:DAT tSU:STO tAA SDA Out tBUF Figure 3-16. Timing Diagram for Bus Operations ~ ~ SCL ~ ~ ~ ~ SDA WORDn 8th Bit ACK ~ ~ tWR Stop Condition Start Condition Figure 3-17. Write Cycle Timing Diagram * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 16 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM CHARACTERISTIC CURVES NOTE The characteristic values shown in the following graphs are based on actual test measurements. They do not, however, represent guaranteed operating values. (Frequency = 100 kHz) 2.0 1.6 Temp = - 40 ° C 1.2 ICC (mA) 0.8 Temp = - 25 ° C Temp = 0 ° C Temp = 25 ° C Temp = 70 ° C Temp = 85 ° C 0.4 0 2 3 4 VCC (V) 5 6 Figure 3-18. ICC (Write Current) vs. VCC * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 17 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM (Frequency = 100 kHz) 120 100 80 ICC (µA) 60 40 20 0 2 3 4 VCC (V) 5 6 Temp = - 40 ° C Temp = - 25 ° C Temp = 0 ° C Temp = 25 ° C Temp = 70 ° C Temp = 85 ° C Figure 3-19. ICC (Read Current) vs. VCC * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 18 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM (Frequency = 100 kHz) 10 8 Temp = - 40 ° C 6 ICC (µA) 4 Temp = - 25 ° C Temp = 0 ° C Temp = 25 ° C Temp = 70 ° C Temp = 85 ° C 2 0 2 3 4 VCC (V) 5 6 Figure 3-20. ICC (Stand-by Current) vs. VCC * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 19 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM (TA = 25 ° C) 50 VDD = 5.5 V VDD = 5.0 V VDD = 4.5 V 30 IOL (mA) 20 VDD = 4.0 V VDD = 3.5 V VDD = 3.0 V 40 10 0 0 1 2 3 VOL (V) 4 5 6 Figure 3-21. IOL (Output Low Voltage) vs. VOL * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 20 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM Package Information (1) PDIP-8L D E-PIN O0.118 NOTE 9 E1 PIN #1 INDENT O0.025 DEEP 0.006-0.008 E 7 (4X) 15 (4X) A2 B S e B1 B2 A1 A L C eB SYMBOL MIN A A1 A2 B B1 B2 C D E E1 e L Eb s 0.38 3.25 0.36 1.14 0.81 0.20 9.12 7.62 6.20 3.18 8.38 0.71 NOM 3.30 0.46 1.27 0.99 0.25 9.30 6.35 2.54 0.84 MAX 5.33 3.45 0.56 1.52 1.17 0.33 9.53 8.26 6.60 9.40 0.97 MIN 0.015 0.128 0.014 0.045 0.032 0.008 0.359 0.300 0.244 0.125 0.330 0.028 NOM 0.130 0.018 0.050 0.039 0.010 0.366 0.250 0.100 0.033 MAX 0.210 0.136 0.022 0.060 0.046 0.013 0.375 0.325 0.260 0.370 0.038 * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 21 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM (2) SOP-8L (JEDEC) E H L VIEW "A" D 7 (4X) 0.015x45 7 (4X) A2 A C e VIEW "A" y A1 B DIMENSIONS IN MILLIMETERS SYMBOL MIN A A1 A2 B C D E e H L Y θ 1.47 0.10 0.33 0.19 4.80 3.81 5.79 0.38 0 o DIMENSIONS IN INCHS MIN 0.058 0.004 0.013 0.0075 0.189 0.150 0.228 0.015 0 o NOM 1.60 1.45 0.41 0.20 4.85 3.91 1.27 5.99 0.71 - MAX 1.73 0.25 0.51 0.25 4.95 3.99 6.20 1.27 0.10 8 o NOM 0.063 0.057 0.016 0.008 0.191 0.154 0.050 0.236 0.028 - MAX 0.068 0.010 0.020 0.0098 0.195 0.157 0.244 0.050 0.004 8 o * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 22 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 24LC08 8K-Bit Serial EEPROM (3) TSSOP-8L E1 PIN 1 INDICATOR O0.70 SURFACE POLISHED E L L1 DETAIL A D e A2 E1 L1 A1 y SYMBOLS A A1 A2 B C D E E1 E L L1 Y θ DIMENSIONS IN MILLIMETERS MIN 1.05 0.05 0.20 2.90 6.20 4.30 0.50 0.90 0o NOM 1.10 0.10 1.00 0.25 0.127 3.05 6.40 4.40 0.65 0.60 1.00 4o MAX 1.20 0.15 1.05 0.28 3.10 6.60 4.50 0.70 1.10 0.10 8o * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 23 of 23 Rev 1.1 Nov.18, 2002 Fax:886-3-3521052 C b A DETAIL A