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M28C17-25KA6

M28C17-25KA6

  • 厂商:

    STMICROELECTRONICS(意法半导体)

  • 封装:

  • 描述:

    M28C17-25KA6 - 16 Kbit 2Kb x8 Parallel EEPROM - STMicroelectronics

  • 数据手册
  • 价格&库存
M28C17-25KA6 数据手册
M28C16A M28C17A 16 Kbit (2Kb x8) Parallel EEPROM FAST ACCESS TIME: – 150ns at 5V – 250ns at 3V SINGLE SUPPLY VOLTAGE: – 5V ± 10% for M28C16A and M28C17A – 2.7V to 3.6V for M28C16-xxW LOW POWER CONSUMPTION FAST WRITE CYCLE – 32 Bytes Page Write Operation – Byte or Page Write Cycle: 5ms ENHANCED END OF WRITE DETECTION – Ready/Busy Open Drain Output – Data Polling – Toggle Bit PAGE LOAD TIMER STATUS BIT HIGH RELIABILITY SINGLE POLYSILICON, CMOS TECHNOLOGY – Endurance >100,000 Erase/Write Cycles – Data Retention >40 Years JEDEC APPROVED BYTEWIDE PIN OUT DESCRIPTION The M28C16A and M28C17Aare 2K x8 low power Parallel EEPROM fabricatedwith STMicroelectronics proprietarysingle polysilicon CMOS technology. The device offers fast access time with low power dissipation and requires a 5V or 3V power supply. Table 1. Signal Names A0-A10 DQ0-DQ7 W E G RB VCC VSS Address Input Data Input / Output Write Enable Chip Enable Output Enable Ready / Busy Supply Voltage Ground 28 1 PDIP28 (BS) PLCC32 (KA) 28 1 SO28 (MS) 300 mils TSOP28 (NS) 8 x13.4mm Figure 1. Logic Diagram VCC 11 A0-A10 8 DQ0-DQ7 W E M28C16A M28C17A RB G VSS AI02109 August 1998 1/19 M28C16A, M28C17A Figure 2A. DIP Pin Connections Figure 2B. LCC Pin Connections RB NC A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 VSS 1 28 2 27 3 26 4 25 5 24 6 23 7 22 M28C17A 8 21 9 20 10 19 11 18 12 17 13 16 14 15 AI02110 VCC W DU A8 A9 NC G A10 E DQ7 DQ6 DQ5 DQ4 DQ3 A6 A5 A4 A3 A2 A1 A0 NC DQ0 RB or NC (1) DU VCC W DU 1 32 A8 A9 NC NC G A10 E DQ7 DQ6 M28C16A M28C17A 25 17 AI02111 9 Warning: NC = Not Connected, DU = Don’t Use. Warning: NC = Not Connected, DU = Don’t Use. Note: 1. Pin 2 is either RB for M28C17A or NC for M28C16A. Figure 2C. SO Pin Connections Figure 2D. TSOP Pin Connections RB NC A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 VSS 1 2 3 4 5 6 7 M28C17A 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VCC W DU A8 A9 NC G A10 E DQ7 DQ6 DQ5 DQ4 DQ3 G NC A9 A8 DU W VCC RB NC A7 A6 A5 A4 A3 22 DQ1 DQ2 VSS NC DQ3 DQ4 DQ5 21 28 1 M28C16A 15 14 7 8 AI02113 A7 NC A10 E DQ7 DQ6 DQ5 DQ4 DQ3 VSS DQ2 DQ1 DQ0 A0 A1 A2 AI02112 Warning: NC = Not Connected, DU = Don’t Use. 2/19 Warning: NC = Not Connected, DU = Don’t Use. M28C16A, M28C17A Table 2. Absolute Maximum Ratings (1) Symbol TA T STG VCC V IO VI VESD Parameter Ambient Operating Temperature Storage Temperature Range Supply Voltage Input/Output Voltage Input Voltage Electrostatic Discharge Voltage (Human Body model) (2) Value – 40 to 85 – 65 to 150 – 0.3 to 6.5 – 0.3 to VCC +0.6 – 0.3 to 6.5 3000 Unit °C °C V V V V Notes: 1. Except for the rating ”Operating Temperature Range”, stresses above those listed in the Table ”Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not i mplied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. 2. Depends on range. Table 3. Operating Modes Mode Read Write Standby / Write Inhibit Write Inhibit Write Inhibit Output Disable Note: X = VIH or VIL E VIL VIL VIH X X X G VIL VIH X X VIL VIH W VIH VIL X VIH X X DQ0 - DQ7 Data Out Data In Hi-Z Data Out or Hi-Z Data Out or Hi-Z Hi-Z DESCRIPTION (cont’d) The circuit has been designed to offer a flexible microcontroller interface featuring both hardware and software handshakingmode with Ready/Busy, Data Polling and Toggle Bit. The M28C16A/17A supports 32 byte page write operation. PIN DESCRITPION Addresses (A0-A10). The address inputs select an 8-bit memory location during a read or write operation. Chip Enable (E). The chip enable input must be low to enable all read/write operations. When Chip Enable is high, power consumption is reduced. Output Enable (G). The Output Enable input controls the data output buffers and is used to initiate read operations. Data In/ Out (DQ0 - DQ7). Data is written to or read from the M28C16A/17A through the I/O pins. Write Enable (W). The Write Enable input controls the writing of data to the M28C16A/17A. Ready/Busy (RB). Ready/Busy is an open drain output that can be used to detect the end of the internal write cycle. Ready/Busy is available for the M28C17A in PDIP, PLCC and SO packages, and for the M28C16A in TSOP only. OPERATION In order to prevent data corruption and inadvertent write operations during power-up, a Power On Reset (POR) circuit resets all internal programming cicuitry. Access to the memory in write mode is allowed after a power-up as specified in Table 7. Read The M28C16A/17Ais accessed like a static RAM. When E and G are low with W high, the data addressed is presented on the I/O pins. The I/O pins are high impedancewhen either G or E is high. 3/19 M28C16A, M28C17A Figure 3. Block Diagram E G W VPP GEN RESET CONTROL LOGIC X DECODE A6-A10 (Page Address) ADDRESS LATCH 64K ARRAY A0-A5 ADDRESS LATCH Y DECODE SENSE AND DATA LATCH I/O BUFFERS PAGE LOAD TIMER STATUS TOGGLE BIT DATA POLLING AI01520 DQ0-DQ7 OPERATION (cont’d) Write Write operations are initiated when both W and E are low and G is high.The M28C16A/17Asupports both E and W controlled write cycles. The Address is latched by the falling edge of E or W which ever occurs last and the Data on the rising edge of E or W which ever occurs first. Once initiated the write operation is internally timed until completion. Page Write Page write allows up to 32 bytes to be consecutively latched into the memory prior to initiating a Figure 4. Status Bit Assignment DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 DP TB PLTS Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z programming cycle. All bytes must be located in a single page address, that is A5 - A10 must be the same for all bytes. The page write can be initiated during any byte write operation. Following the first byte write instruction the host may send another address and data up to a maximum of tWHWH after the rising edge of E or W which ever occurs first. If a transition of E or W is not detected within tWHWH, the internal programming cycle will start. Microcontroller Control Interface The M28C16A/17A provides two write operation status bits and one status pin that can be used to minimize the system write cycle. These signals are available on the I/O port bits DQ7 or DQ6 of the memory during programming cycle only, or as the RB signal on a separate pin. Data Polling bit (DQ7). During the internal write cycle, any attempt to read the last byte written will produce on DQ7 the complementary value of the previously latched bit. Once the write cycle is finished the true logic value appears on DQ7 in the read cycle. DP = Data Polling TB = Toggle Bit PLTS = Page Load Timer Status 4/19 M28C16A, M28C17A Table 4. AC Measurement Conditions Input Rise and Fall Times Input Pulse Voltages Input and Output Timing Ref. Voltages Note that Output Hi-Z is defined as the point where data is no longer driven. ≤ 20ns 0.4V to 2.4V 0.8V to 2.0V Figure 5. AC Testing Input Output Waveforms 4.5V to 5.5V Operating Voltage 2.4V 2.0V 0.8V Figure 6. AC Testing Equivalent Load Circuit VCC 0.4V IOL DEVICE UNDER TEST IOH OUT 2.7V to 3.6V Operating Voltage VCC – 0.3V 0.5 VCC 0V AI02101B CL = 30pF CL includes JIG capacitance AI02114 Table 5. Capacitance (1) (TA = 25 °C, f = 1 MHz ) Symbol CIN C OUT Parameter Input Capacitance Output Capacitance Test Condition VIN = 0V VOUT = 0V Min Max 6 12 Unit pF pF Note: 1. Sampled only, not 100% tested. Table 6. Read Mode DC Characteristics for M28C16A and M28C17A (TA = –40 to 85°C, VCC = 4.5V to 5.5V) Symbol ILI ILO ICC ICC1 ICC2 (1) (1) (1) Parameter Input Leakage Current Output Leakage Current Supply Current (TTL and CMOS inputs) Supply Current (Standby) TTL Supply Current (Standby) CMOS Input Low Voltage Input High Voltage Output Low Voltage Output High Voltage Test Condition 0V ≤ VIN ≤ VCC 0V ≤ VIN ≤ VCC E = VIL, G = VIL , f = 5MHz E = VIH E > VCC – 0.3V Min Max 10 10 25 1 50 Unit µA µA mA mA µA V V V V VIL VIH VOL VOH –0.3 2 IOL = 2.1 mA IOH = –400 µA 2.4 0.8 VCC + 0.5 0.4 Note: 1. All I/O’s open circuit. 5/19 M28C16A, M28C17A Table 7. Power Up Timing for M28C16A and M28C17A (1) (TA = –40 to 85°C, VCC = 4.5V to 5.5V) Symbol tPUR tPUW VWI Parameter Time Delay to Read Operation Time Delay to Write Operation (once VCC ≥ VWI) Write Inhibit Threshold 1.5 Min Max 1 10 2.5 Unit µs ms V Note: 1. Sampled only, not 100% tested. Table 8. Read Mode DC Characteristics for M28C16A-W (TA = –40 to 85°C, VCC = 2.7V to 3.6V) Symbol ILI ILO ICC ICC2 (1) (1) Parameter Input Leakage Current Output Leakage Current Supply Current (TTL and CMOS inputs) Supply Current (Standby) CMOS Input Low Voltage Input High Voltage Output Low Voltage Output High Voltage Test Condition 0V ≤ VIN ≤ VCC 0V ≤ VIN ≤ VCC E = VIL, G = VIL , f = 5 MHz E > VCC –0.3V Min Max 10 10 15 20 Unit µA µA mA µA V V V V VIL VIH VOL VOH –0.3 2 IOL = 2.1 mA IOH = –400 µA 0.8 VCC 0.6 VCC + 0.5 0.2 VCC Note: 1. All I/O’s open circuit. Table 9. Power Up Timing for M28C16A-W (1) (TA = –40 to 85°C, VCC = 2.7V to 3.6V) Symbol tPUR tPUW VWI Parameter Time Delay to Read Operation Time Delay to Write Operation (once VCC ≥ VWI) Write Inhibit Threshold 1.5 Min Max 1 10 2.5 Unit µs ms V Note: 1. Sampled only, not 100% tested. 6/19 M28C16A, M28C17A Table 10. Read Mode AC Characteristics for M28C16A and M28C17A (TA = –40 to 85°C, VCC = 4.5V to 5.5V) M28C16A / M28C17A Symbol Alt Parameter Test Condition min tAVQV tELQV tGLQV tEHQZ (1) tGHQZ (1) tAXQX tACC tCE tOE tDF tDF tOH Address Valid to Output Valid Chip Enable Low to Output Valid Output Enable Low to Output Valid Chip Enable High to Output Hi-Z Output Enable High to Output Hi-Z Address Transition to Output Transition E = VIL, G = VIL G = VIL E = VIL G = VIL E = VIL E = VIL, G = VIL 0 0 0 -15 max 150 150 70 50 50 0 0 0 min -20 max 200 200 80 60 60 ns ns ns ns ns ns Unit Note: 1. Output Hi-Z is defined as the point at which data is no longer driven. Table 11. Read Mode AC Characteristics for M28C16-W (TA = –40 to 85°C, VCC = 2.7V to 3.6V) M28C16A / M28C17A Symbol Alt Parameter Test Condition min tAVQV tELQV tGLQV tEHQZ (1) tGHQZ (1) tAXQX tACC tCE tOE tDF tDF tOH Address Valid to Output Valid Chip Enable Low to Output Valid Output Enable Low to Output Valid Chip Enable High to Output Hi-Z Output Enable High to Output Hi-Z Address Transition to Output Transition E = VIL, G = VIL G = VIL E = VIL G = VIL E = VIL E = VIL, G = VIL 0 0 0 -25 max 250 250 100 70 70 0 0 0 min -30 max 300 300 100 80 80 ns ns ns ns ns ns Unit Note: 1. Output Hi-Z is defined as the point at which data is no longer driven. 7/19 M28C16A, M28C17A Figure 7. Read Mode AC Waveforms A0-A10 tAVQV E tGLQV G tELQV DQ0-DQ7 VALID tAXQX tEHQZ tGHQZ DATA OUT Hi-Z AI01511B Note: Write Enable (W) = High Toggle bit (DQ6). The M28C16A/17A offers another way for determining when the internal write cycle is completed. During the internal Erase/Write cycle, DQ6 will toggle from ”0” to ”1” and ”1” to ”0” (the first read value is ”0”) on subsequentattempts to read any address in the memory. When the internalcycle is completedthe togglingwill stopand the device will be accessible for a new Read or Write operation. Page Load Timer Status bit (DQ5). In the Page Write mode data may be latched by E or W up to tWHWH after the previous byte. Up to 32 bytes may be input. The Data output (DQ5) indicates the status of the internal Page Load Timer. DQ5 may be read by asserting Output Enable Low (tPLTS). DQ5 Low indicates the timer is running, High 8/19 M28C16A, M28C17A Table 12. Write Mode AC Characteristics for M28C16A and M28C17A (TA = –40 to 85°C, VCC = 4.5V to 5.5V) Symbol tAVWL tAVEL tELWL tGHWL tGHEL tWLEL tWLAX tELAX tWLDV tELDV tELEH tWHEH tWHGL tEHGL tEHWH tWHDX tEHDX tWHWL tWLWH tWHWH tWHRH tWHRL tEHRL tDVWH tDVEH Alt tAS tAS tCES tOES tOES tWES tAH tAH tDV tDV tWP tCEH tOEH tOEH tWEH tDH tDH tWPH tWP tBLC tWC tDB tDB tDS tDS Parameter Address Valid to Write Enable Low Address Valid to Chip Enable Low Chip Enable Low to Write Enable Low Output Enable High to Write Enable Low Output Enable High to Chip Enable Low Write Enable Low to Chip Enable Low Write Enable Low to Address Transition Chip Enable Low to Address Transition Write Enable Low to Input Valid Chip Enable Low to Input Valid Chip Enable Low to Chip Enable High Write Enable High to Chip Enable High Write Enable High to Output Enable Low Chip Enable High to Output Enable Low Chip Enable High to Write Enable High Write Enable High to Input Transition Chip Enable High to Input Transition Write Enable High to Write Enable Low Write Enable Low to Write Enable High Byte Load Repeat Cycle Time Write Cycle Time Write Enable High to Ready/Busy Low Chip Enable High to Ready/Busy Low Data Valid before Write Enable High Data Valid before Chip Enable High Note 1 Note 1 50 50 E = VIL, G = VIH G = VIH, W = VIL 100 0 0 0 0 0 0 200 100 0.2 30 5 100 100 Test Condition E = VIL, G = VIH G = VIH, W = VIL G = VIH E = VIL W = VIL G = VIH Min 0 0 0 0 0 0 100 100 1 1 Max Unit ns ns ns ns ns ns ns ns µs µs ns ns ns ns ns ns ns ns ns µs ms ns ns ns ns Note: 1. With a 3.3 k Ω external pull-up resistor. 9/19 M28C16A, M28C17A Table 13. Write Mode AC Characteristics for M28C16-W (TA = –40 to 85°C, VCC = 2.7V to 3.6V) Symbol tAVWL tAVEL tELWL tGHWL tGHEL tWLEL tWLAX tELAX tWLDV tELDV tELEH tWHEH tWHGL tEHGL tEHWH tWHDX tEHDX tWHWL tWLWH tWHWH tWHRH tWHRL tEHRL tDVWH tDVEH Alt tAS tAS tCES tOES tOES tWES tAH tAH tDV tDV tWP tCEH tOEH tOEH tWEH tDH tDH tWPH tWP tBLC tWC tDB tDB tDS tDS Parameter Address Valid to Write Enable Low Address Valid to Chip Enable Low Chip Enable Low to Write Enable Low Output Enable High to Write Enable Low Output Enable High to Chip Enable Low Write Enable Low to Chip Enable Low Write Enable Low to Address Transition Chip Enable Low to Address Transition Write Enable Low to Input Valid Chip Enable Low to Input Valid Chip Enable Low to Chip Enable High Write Enable High to Chip Enable High Write Enable High to Output Enable Low Chip Enable High to Output Enable Low Chip Enable High to Write Enable High Write Enable High to Input Transition Chip Enable High to Input Transition Write Enable High to Write Enable Low Write Enable Low to Write Enable High Byte Load Repeat Cycle Time Write Cycle Time Write Enable High to Ready/Busy Low Chip Enable High to Ready/Busy Low Data Valid before Write Enable High Data Valid before Chip Enable High Note 1 Note 1 50 50 E = VIL, G = VIH G = VIH, W = VIL 200 0 0 0 0 0 0 200 200 0.4 50 5 250 250 Test Condition E = VIL, G = VIH G = VIH, W = VIL G = VIH E = VIL W = VIL G = VIH Min 0 0 0 0 0 0 200 200 1 1 Max Unit ns ns ns ns ns ns ns ns µs µs ns ns ns ns ns ns ns ns ns µs ms ns ns ns ns Note: 1. With a 3.3 k Ω external pull-up resistor. 10/19 M28C16A, M28C17A Figure 8. Write Mode AC Waveforms - Write Enable Controlled A0-A10 tAVWL E tELWL G tGHWL W VALID tWLAX tWHEH tWLWH tWHGL tWLDV DQ0-DQ7 DATA IN tDVWH RB tWHWL tWHDX tWHRL AI01512 Figure 9. Write Mode AC Waveforms - Chip Enable Controlled A0-A10 tAVEL E tGHEL G tWLEL W VALID tELAX tELEH tEHGL tELDV DQ0-DQ7 DATA IN tDVEH RB tEHDX tEHWH tEHRL AI01513 11/19 M28C16A, M28C17A Figure 10. Page Write Mode AC Waveforms - Write Enable Controlled A0-A10 Addr 0 Addr 1 Addr 2 Addr n E tPLTS G tWHWL W tWLWH DQ0-DQ7 Byte 0 Byte 1 tWHWH Byte 2 tWHWH Byte n tWHRH DQ5 tWHRL RB Byte n AI01514 Figure 11. Data Polling Waveform Sequence A0-A10 Address of the last byte of the Page Write instruction E G W DQ7 DQ7 DQ7 DQ7 DQ7 DQ7 LAST WRITE INTERNAL WRITE SEQUENCE READY AI01516 12/19 M28C16A, M28C17A Figure 12. Toggle Bit Waveform Sequence A0-A10 E G W DQ6 (1) LAST WRITE TOGGLE INTERNAL WRITE SEQUENCE READY AI01517 Note: 1. First Toggle bit is forced to ’0’ 13/19 M28C16A, M28C17A ORDERING INFORMATION SCHEME Example: M28C16 – 20 W NS 6 T Device Identifier C16 RB available only for the TSOP package C17 RB available T Option Tape & Reel Packing Speed 15 (1) 150 ns 20 25 (1) (2) Operating Voltage blank 4.5V to 5.5V 5ms write W 2.7V to 3.6V 5ms write Package BS PDIP28 MS SO28 300 mils NS TSOP28 8 x 13.4mm KA PLCC32 Temperature Range 6 –40 to 85 °C 200 ns 250ns 30 (2) 300ns Notes: 1. Available for M28C16A and M28C17A only. 2. Available for ”W” Operating Voltage only. Devices are shipped from the factory with the memory content set at all ”1’s” (FFh). For a listof availableoptions (Speed, Package,etc... ) or for further informationon any aspect of this device, please contact the STMicroelectronics Sales Office nearest to you. 14/19 M28C16A, M28C17A PDIP28 - 28 pin Plastic DIP, 600 mils width Symb Typ A A1 A2 B B1 C D D2 E E1 e1 eA eB L S α N 2.54 14.99 33.02 15.24 1.52 mm Min – 0.38 3.56 0.38 – 0.20 36.83 – – 13.59 – – 15.24 3.18 1.78 0° 28 Max 5.08 – 4.06 0.51 – 0.30 37.34 – – 13.84 – – 17.78 3.43 2.08 10° 0.100 0.590 1.300 0.600 0.060 Typ inches Min – 0.015 0.140 0.015 – 0.008 1.450 – – 0.535 – – 0.600 0.125 0.070 0° 28 Max 0.200 – 0.160 0.020 – 0.012 1.470 – – 0.545 – – 0.700 0.135 0.082 10° A2 A1 B1 B D2 D S N A L α eA eB C e1 E1 1 E PDIP Drawing is not to scale. 15/19 M28C16A, M28C17A PLCC32 - 32 lead Plastic Leaded Chip Carrier, rectangular Symb Typ A A1 A2 B B1 D D1 D2 E E1 E2 e F R N Nd Ne CP 0.89 1.27 mm Min 2.54 1.52 – 0.33 0.66 12.32 11.35 9.91 14.86 13.89 12.45 – 0.00 – 32 7 9 0.10 Max 3.56 2.41 0.38 0.53 0.81 12.57 11.56 10.92 15.11 14.10 13.46 – 0.25 – 0.035 0.050 Typ inches Min 0.100 0.060 – 0.013 0.026 0.485 0.447 0.390 0.585 0.547 0.490 – 0.000 – 32 7 9 0.004 Max 0.140 0.095 0.015 0.021 0.032 0.495 0.455 0.430 0.595 0.555 0.530 – 0.010 – D D1 1N A1 A2 B1 Ne E1 E F 0.51 (.020) D2/E2 B e 1.14 (.045) Nd A R CP PLCC Drawing is not to scale. 16/19 M28C16A, M28C17A SO28 - 28 lead Plastic Small Outline, 300 mils body width Symb Typ A A1 A2 B C D E e H L α N CP 1.27 mm Min 2.46 0.13 2.29 0.35 0.23 17.81 7.42 – 10.16 0.61 0° 28 0.10 Max 2.64 0.29 2.39 0.48 0.32 18.06 7.59 – 10.41 1.02 8° 0.050 Typ inches Min 0.097 0.005 0.090 0.014 0.009 0.701 0.292 – 0.400 0.024 0° 28 0.004 Max 0.104 0.011 0.094 0.019 0.013 0.711 0.299 – 0.410 0.040 8° A2 B e D A C CP N E 1 H A1 α L SO-b Drawing is not to scale. 17/19 M28C16A, M28C17A TSOP28 - 28 lead Plastic Thin Small Outline, 8 x 13.4mm Symb Typ A A1 A2 B C D D1 E e L α N CP 0.55 0.95 0.17 0.10 13.20 11.70 7.90 0.50 0° 28 0.10 mm Min Max 1.25 0.20 1.15 0.27 0.21 13.60 11.90 8.10 0.70 5° 0.022 0.037 0.007 0.004 0.520 0.461 0.311 0.020 0° 28 0.004 Typ inches Min Max 0.049 0.008 0.045 0.011 0.008 0.535 0.469 0.319 0.028 5° A2 22 21 e 28 1 E B 7 8 D1 D A CP DIE C TSOP-c Drawing is not to scale. A1 α L 18/19 M28C16A, M28C17A Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Spec ifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. © 1998 STMicroelectronics - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 19/19
M28C17-25KA6 价格&库存

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