74ACT245 STMicroelectronics, 74ACT245 Datasheet
74ACT245
Available stocks
Related parts for 74ACT245
74ACT245 Summary of contents
Page 1
... OPERATING VOLTAGE RANGE: V (OPR) = 4.5V to 5.5V CC PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 245 IMPROVED LATCH-UP IMMUNITY DESCRIPTION The 74ACT245 is an advanced high-speed CMOS OCTAL BUS TRANSCEIVER fabricated with sub-micron silicon gate and 2 double-layer metal wiring C MOS tecnology. This IC is intended for two-way asynchronous ...
Page 2
... INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE INPUTS G DIR Don’t Care Z : High Impedance ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Current ...
Page 3
... Typ. Max. Min. Max. Min. 1.5 2.0 2.0 1.5 2.0 2.0 1.5 0.8 0.8 1.5 0.8 0.8 4.49 4.4 4.4 5.49 5.4 5.4 3.76 3.7 4.76 4.7 0.001 0.1 0.1 0.001 0.1 0.1 0.36 0.44 0.36 0.44 0.1 1 0.5 5 0.6 1 -75 , Input 3ns Value = 25°C -40 to 85°C -55 to 125°C Typ. Max. Min. Max. Min. 5.4 8.0 1.5 9.0 1.5 6.3 10.0 1.5 12.0 1.5 7.4 10.0 1.5 11.0 1.5 74ACT245 Unit Max. V 0.8 0.8 V 0.1 V 0.1 0 -50 mA Unit Max. 10.0 ns 13.0 ns 12.0 ns 3/9 ...
Page 4
... CAPACITIVE CHARACTERISTICS Symbol Parameter V C Input Capacitance IN C I/O Capacitance I/O C Power Dissipation PD Capacitance (note defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without PD load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I ...
Page 5
... WAVEFORM 1: PROPAGATION DELAYS (f=1MHz; 50% duty cycle) WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle) 74ACT245 5/9 ...
Page 6
... Plastic DIP-20 (0.25) MECHANICAL DATA DIM. MIN. a1 0.254 B 1. 6/9 mm TYP. MAX. MIN. 0.010 1.65 0.055 0.45 0.25 25.4 8.5 2.54 22.86 7.1 3.93 3.3 1.34 inch TYP. MAX. 0.065 0.018 0.010 1.000 0.335 0.100 0.900 0.280 0.155 0.130 0.053 P001J ...
Page 7
... SO-20 MECHANICAL DATA mm DIM. MIN. TYP 0. 0.35 b1 0. 12.60 E 10.00 e 1.27 e3 11.43 F 7. inch MAX. MIN. TYP. 2.65 0.20 0.004 2.45 0.49 0.013 0.32 0.009 0.020 45 (typ.) 13.00 0.496 10.65 0.393 0.050 0.450 7.60 0.291 1.27 0.19 0.75 8 (max.) 74ACT245 MAX. 0.104 0.007 0.096 0.019 0.012 0.512 0.419 0.299 0.050 0.029 P013L 7/9 ...
Page 8
... DIM. MIN 0.05 A2 0.85 b 0.19 c 0.09 D 6.4 E 6. PIN 1 IDENTIFICATION 1 8/9 TSSOP20 MECHANICAL DATA mm TYP. MAX. 1.1 0.10 0.15 0.9 0.95 0.30 0.2 6.5 6.6 6.4 6.5 4.4 4.48 0.65 BSC 0.60 0. inch MIN. TYP. MAX. 0.433 0.002 0.004 0.006 0.335 0.354 0.374 0.0075 0.0118 0.0035 0.0079 0.252 0.256 0.260 0.246 ...
Page 9
... The ST logo is a registered trademark of STMicroelectronics © 2001 STMicroelectronics - Printed in Italy - All Rights Reserved Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom STMicroelectronics GROUP OF COMPANIES © http://www.st.com 74ACT245 9/9 ...