74ACT541 STMicroelectronics, 74ACT541 Datasheet

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74ACT541

Manufacturer Part Number
74ACT541
Description
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED
Manufacturer
STMicroelectronics
Datasheet

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DESCRIPTION
The ACT541 is an advanced CMOS OCTAL BUS
BUFFER (3-STATE) fabricated with sub-micron
silicon gate and double-layer metal wiring C
technology.It is ideal for low power applications
mantaining high speed operation similar to
eqivalent Bipolar Schottky TTL.
The 3 STATE control gate operates as a two
PIN CONNECTION AND IEC LOGIC SYMBOLS
December 1998
HIGH SPEED: t
LOW POWER DISSIPATION:
I
COMPATIBLE WITH TTL OUTPUTS
V
50 TRANSMISSION LINE DRIVING
CAPABILITY
SYMMETRICAL OUTPUT IMPEDANCE:
|I
BALANCED PROPAGATION DELAYS:
t
OPERATING VOLTAGE RANGE:
V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 541
IMPROVED LATCH-UP IMMUNITY
CC
PLH
OH
IH
CC
= 8 A (MAX.) at T
= 2V (MIN), V
| = I
(OPR) = 4.5V to 5.5V
t
PHL
OL
= 24 mA (MIN)
PD
IL
= 4 ns (TYP.) at V
= 0.8V (MAX)
WITH 3 STATE OUTPUTS (NON INVERTED)
A
= 25
o
C
CC
= 5V
2
MOS
input AND such that if either G1 and G2 are high,
all eight outputs are in the high impedance state.
In order to enhance PC board layout, the AC541
offers a pinout having inputs and outputs on
opposite sides of the package.
The device is designed to interface directly High
Speed CMOS systems with TTL, NMOS and
CMOS output voltage levels.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
(Plastic Package)
74ACT541B
OCTAL BUS BUFFER
B
ORDER CODES :
74ACT541
(Micro Package)
74ACT541M
M
1/8

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74ACT541 Summary of contents

Page 1

... The device is designed to interface directly High Speed CMOS systems with TTL, NMOS and CMOS output voltage levels. All inputs and outputs are equipped with 2 MOS protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. 74ACT541 M (Micro Package) 74ACT541M 1/8 ...

Page 2

... INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE X:”H” or ”L” Z: High impedance ABSOLUTE MAXIMUM RATINGS Symbol Parameter V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Current ...

Page 3

... V = 3.85 V min OHD = 50 pF 500 , Input est Con ditio (V) Min. T yp. (*) 5.0 1.5 (*) 5.0 1.5 (*) 5.0 1.5 Test Con dition (V) Min. T yp. 5.0 5.0 (opr 74ACT541 Valu - Max. Min. Max. 1.5 2.0 V 1.5 2.0 1.5 0.8 0.8 V 1.5 0.8 0.8 4.4 V 5.4 3.76 4.76 0.1 0.1 V 0.1 0.1 0.36 0.44 0.36 0. ...

Page 4

... TEST CIRCUIT T EST PLH PHL PZL PLZ PZH PHZ equivalent (includes jigand probe capacitance 500 orequivalent pulse generator (typically OUT WAVEFORM 1: PROPAGATION DELAYS (f=1MHz; 50% duty cycle) 4 Open 2V CC Open ...

Page 5

... WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle) 74ACT541 5/8 ...

Page 6

... Plastic DIP-20 (0.25) MECHANICAL DATA DIM. MIN. TYP. a1 0.254 B 1.39 b 0. 2.54 e3 22. 6/8 mm MAX. MIN. 0.010 1.65 0.055 25.4 8.5 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.) 74ACT541 MAX. 0.104 0.007 0.096 0.019 0.012 0.512 0.419 0.299 0.050 0.029 P013L 7/8 ...

Page 8

... 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. Specification mentioned in this publication are subject to change without notice ...

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