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What is 74HC541?

This electronic component, produced by the manufacturer "Hitachi", performs the same function as "Octal Buffers/Line Drivers (with 3-state outputs)".


74HC541 Datasheet PDF - Hitachi

Part Number 74HC541
Description Octal Buffers/Line Drivers (with 3-state outputs)
Manufacturers Hitachi 
Logo Hitachi Logo 


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HD74HC540/HD74HC541
Octal Buffers/Line Drivers (with 3-state outputs)
Description
The HD74HC540 is an inverting buffer and the HD74HC541 is a non-inverting buffer. The 3-state control
gate operates as a two-input NOR such that if either G1 or G2 are high, all eight outputs are in the high-
impedance state.
Features
High Speed Operation: tpd = 11.5 ns typ (CL = 50 pF)
High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: VCC = 2 to 6 V
Low Input Current: 1 µA max
Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
Function Table
Inputs
G1 G2
LL
A
L
LL
H
HX
X
XH
X
X : irrelevant
Z : off (high-impedance) state of a 3-state output.
Output Y
HD74HC540
H
L
Z
Z
HD74HD541
L
H
Z
Z

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74HC541 equivalent
HD74HC540/HD74HC541
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Item
Symbol
Propagation delay tPLH
time
t PHL
VCC (V)
2.0
4.5
6.0
Min Typ Max Min
— — 100 —
— 11 20 —
— — 17 —
Max Unit
125 ns
25
21
tPLH 2.0 — — 115 — 145 ns
tPHL 4.5 — 12 23 — 29
6.0 — — 20 — 25
Output enable
time
t ZH
t ZL
2.0 — — 150 — 190 ns
4.5 — 14 30 — 38
6.0 — — 26 — 33
Output disable
time
t HZ
t LZ
2.0 — — 150 — 190 ns
4.5 — 16 30 — 38
6.0 — — 26 — 33
Output rise/fall
time
t TLH
t THL
2.0 — — 60 — 75 ns
4.5 — 4 12 — 15
6.0 — — 10 — 13
Input capacitance Cin — — 5 10 — 10 pF
Test Conditions
(HD74HC540 only)
(HD74HC541 only)
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74HC541 electronic component.


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1. Bus Buffer - ST Microelectronics

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Featured Datasheets

Part NumberDescriptionMFRS
74HC540The function is Octal buffer/line driver 3-state inverting. PhilipsPhilips
74HC540The function is (74HC540 / 74HC541) HC540 Octal Bus Buffer Inverting. ST MicroelectronicsST Microelectronics
74HC541The function is OCTAL BUS BUFFER. STMicroelectronicsSTMicroelectronics

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