74HC245D(BJ)

74HC245D CMOS Digital Integrated Circuits Silicon Monolithic 74HC245D 1. Functional Description • Octal Bus Transceiver 2. General The 74HC245D is high speed CMOS OCTAL BUS TRANSCEIVERs fabricated with silicon gate C2MOS technology. They achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. They are intended for two-way asynchronous communication between data busses. The direction of data transmission is determined by the level of the DIR input. The enable input ( G ) can be used to disable the device so that the busses are effectively isolated. All inputs are equipped with protection circuits against static discharge or transient excess voltage. 3. Features (Note) (1) High speed: tpd = 10 ns (typ.) at VCC = 6.0 V (2) Low power dissipation: ICC = 4.0 µA (max) at Ta = 25  (3) Balanced propagation delays: tPLH ≈ tPHL (4) Wide operating voltage range: VCC(opr) = 2.0 V to 6.0 V Note: Do not apply a signal to any bus terminal when it is in the output mode. Damage may result. All floating (high impedance) bus terminals must have their input levels fixed by means of pull up or pull down resistors. 4. Packaging SOIC20 Start of commercial production ©2016 Toshiba Corporation 1 2016-04 2016-08-04 Rev.3.0 74HC245D 5. Pin Assignment 6. Marking 7. IEC Logic Symbol ©2016 Toshiba Corporation 2 2016-08-04 Rev.3.0 74HC245D 8. Truth Table Input G X: Z: Input DIR A BUS B BUS Output L L L H Output Input A=B Input Output B=A H X Z Z Z Don't care (L or H) High impedance 9. Absolute Maximum Ratings (Note) Characteristics Symbol Supply voltage Input voltage Note Rating Unit VCC -0.5 to 7.0 V VIN -0.5 to VCC + 0.5 V VOUT -0.5 to VCC + 0.5 V Input diode current IIK ±20 mA Output diode current IOK ±20 mA Output current IOUT ±35 mA VCC/ground current ICC ±75 mA 500 mW -65 to 150  Output voltage Power dissipation PD Storage temperature Tstg (Note 1) Note: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even destruction. Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook (“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). Note 1: PD derates linearly with -8 mW/ above 85  10. Operating Ranges (Note) Characteristics Supply voltage Input voltage Symbol Test Condition Rating Unit VCC  2.0 to 6.0 V VIN  0 to VCC V Output voltage VOUT  0 to VCC V Operating temperature Topr  -40 to 125  Input rise and fall times tr,tf  0 to 50 µs Note: The operating ranges are required to ensure the normal operation of the device. Unused inputs and bus inputs must be tied to either VCC or GND. Please connect both bus inputs and the bus outputs with VCC or GND when the I/O of the bus terminal changes by the function. In this case, please note that the output is not short-circuited. ©2016 Toshiba Corporation 3 2016-08-04 Rev.3.0 74HC245D 11. Electrical Characteristics 11.1. DC Characteristics (Unless otherwise specified, Ta = 25 ) Characteristics Symbol Test Condition VCC (V) Min Typ. Max Unit VIH  2.0 1.50   V 4.5 3.15   6.0 4.20   2.0   0.50 4.5   1.35 High-level input voltage Low-level input voltage High-level output voltage Low-level output voltage VIL VOH VOL  VIN = VIH or VIL 6.0   1.80 2.0 1.9 2.0  4.5 4.4 4.5  6.0 5.9 6.0  IOH = -6 mA 4.5 4.18 4.31  IOH = -7.8 mA 6.0 5.68 5.80  IOL = 20 µA 2.0  0.0 0.1 4.5  0.0 0.1 IOH = -20 µA VIN = VIH or VIL 6.0  0.0 0.1 IOL = 6 mA 4.5  0.17 0.26 IOL = 7.8 mA V V V 6.0  0.18 0.26 IOZ VIN = VIH or VIL VOUT = VCC or GND 6.0   ±0.5 µA Input leakage current IIN VIN = VCC or GND 6.0   ±0.1 µA Quiescent supply current ICC VIN = VCC or GND 6.0   4.0 µA 3-state output OFF-state leakage current 11.2. DC Characteristics (Unless otherwise specified, Ta = -40 to 85 ) Characteristics High-level input voltage Low-level input voltage High-level output voltage Low-level output voltage 3-state output OFF-state leakage current Symbol Test Condition VCC (V) Min Max Unit VIH  2.0 1.50  V 4.5 3.15  6.0 4.20  2.0  0.50 4.5  1.35 6.0  1.80 2.0 1.9  4.5 4.4  VIL VOH VOL  VIN = VIH or VIL VIN = VIH or VIL IOH = -20 µA V V 6.0 5.9  IOH = -6 mA 4.5 4.13  IOH = -7.8 mA 6.0 5.63  IOL = 20 µA 2.0  0.1 4.5  0.1 6.0  0.1 IOL = 6 mA 4.5  0.33 IOL = 7.8 mA 6.0  0.33 ±5.0 µA V IOZ VIN = VIH or VIL VOUT = VCC or GND 6.0  Input leakage current IIN VIN = VCC or GND 6.0  ±1.0 µA Quiescent supply current ICC VIN = VCC or GND 6.0  40.0 µA ©2016 Toshiba Corporation 4 2016-08-04 Rev.3.0 74HC245D 11.3. DC Characteristics (Unless otherwise specified, Ta = -40 to 125 ) Characteristics Symbol High-level input voltage Test Condition VIH Low-level input voltage VOL 3-state output OFF-state leakage current Max Unit 2.0 1.50  V 4.5 3.15  6.0 4.20  2.0  0.50 4.5  1.35 6.0  1.80 2.0 1.9  4.5 4.4   VOH Low-level output voltage Min  VIL High-level output voltage VCC (V) VIN = VIH or VIL VIN = VIH or VIL IOH = -20 µA V V 6.0 5.9  IOH = -6 mA 4.5 3.7  IOH = -7.8 mA 6.0 5.2  IOL = 20 µA 2.0  0.1 4.5  0.1 6.0  0.1 IOL = 6 mA 4.5  0.4 IOL = 7.8 mA 6.0  0.4 ±10.0 µA V IOZ VIN = VIH or VIL VOUT = VCC or GND 6.0  Input leakage current IIN VIN = VCC or GND 6.0  ±1.0 µA Quiescent supply current ICC VIN = VCC or GND 6.0  160.0 µA 11.4. AC Characteristics (Unless otherwise specified, Ta = 25 , Input: tr = tf = 6 ns) Characteristics Output transition time Propagation delay time Symbol Note tTLH,tTHL Test Condition CL (pF)  tPLH,tPHL  50 50 150 3-state output enable time tPZL,tPZH RL = 1 kΩ 50 150 3-state output disable time tPLZ,tPHZ Input capacitance CIN Power dissipation capacitance CPD RL = 1 kΩ DIR, G (Note 1)  50 VCC (V) Min Typ. Max Unit 2.0  52 60 ns 4.5  7 12 6.0  6 10 2.0  33 90 4.5  12 18 6.0  10 15 2.0  48 120 4.5  16 24 6.0  14 20 2.0  48 150 4.5  16 30 6.0  14 26 2.0  63 180 4.5  21 36 6.0  18 31 2.0  37 150 4.5  17 30 6.0  15 26  3  pF  12  pF ns ns ns Note 1: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation. ICC(opr) = CPD × VCC × fIN + ICC/8 (per bit) ©2016 Toshiba Corporation 5 2016-08-04 Rev.3.0 74HC245D 11.5. AC Characteristics (Unless otherwise specified, Ta = -40 to 85 , Input: tr = tf = 6 ns) Characteristics Output transition time Propagation delay time Symbol Test Condition CL (pF) VCC (V) Min Max Unit tTLH,tTHL  50 2.0  75 ns 4.5  15 6.0  13 2.0  115 4.5  23 6.0  20 2.0  150 4.5  30 6.0  26 2.0  190 4.5  38 6.0  32 2.0  225 4.5  45 6.0  38 2.0  190 4.5  38 6.0  32 tPLH,tPHL  50 150 3-state output enable time tPZL,tPZH RL = 1 kΩ 50 150 3-state output disable time tPLZ,tPHZ RL = 1 kΩ 50 ns ns ns 11.6. AC Characteristics (Unless otherwise specified, Ta = -40 to 125 , Input: tr = tf = 6 ns) Characteristics Output transition time Propagation delay time Symbol Test Condition CL (pF) VCC (V) Min Max Unit tTLH,tTHL  50 2.0  90 ns 4.5  18 6.0  15 2.0  135 4.5  27 6.0  23 2.0  180 4.5  36 6.0  31 2.0  225 4.5  45 6.0  38 2.0  270 4.5  54 6.0  46 2.0  225 4.5  45 6.0  38 tPLH,tPHL  50 150 3-state output enable time tPZL,tPZH RL = 1 kΩ 50 150 3-state output disable time tPLZ,tPHZ RL = 1 kΩ ©2016 Toshiba Corporation 50 6 ns ns ns 2016-08-04 Rev.3.0 74HC245D Package Dimensions Unit: mm Weight: 0.51 g (typ.) Package Name(s) Nickname: SOIC20 ©2016 Toshiba Corporation 7 2016-08-04 Rev.3.0 74HC245D RESTRICTIONS ON PRODUCT USE • Toshiba Corporation, and its subsidiaries and affiliates (collectively "TOSHIBA"), reserve the right to make changes to the information in this document, and related hardware, software and systems (collectively "Product") without notice. • This document and any information herein may not be reproduced without prior written permission from TOSHIBA. Even with TOSHIBA's written permission, reproduction is permissible only if reproduction is without alteration/omission. • Though TOSHIBA works continually to improve Product's quality and reliability, Product can malfunction or fail. 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