HD74HC540, HD74HC541
Octal Buffers/Line Drivers (with 3-state outputs)
REJ03D0628-0200
(Previous ADE-205-508)
Rev.2.00
Mar 30, 2006
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 G
1
or G
2
are high, all eight outputs are in the high-impedance state.
Features
•
High Speed Operation: t
pd
= 11.5 ns typ (C
L
= 50 pF)
•
High Output Current: Fanout of 15 LSTTL Loads
•
Wide Operating Voltage: V
CC
= 2 to 6 V
•
Low Input Current: 1
µA
max
•
Low Quiescent Supply Current: I
CC
(static) = 4
µA
max (Ta = 25°C)
•
Ordering Information
Part Name
HD74HC540P
HD74HC541P
HD74HC540FPEL
HD74HC541FPEL
HD74HC540RPEL
HD74HC541RPEL
HD74HC540TELL
HD74HC541TELL
Package Type
DILP-20 pin
SOP-20 pin (JEITA)
SOP-20 pin (JEDEC)
TSSOP-20 pin
Package Code
(Previous Code)
PRDP0020AC-B
(DP-20NEV)
PRSP0020DD-B
(FP-20DAV)
PRSP0020DC-A
(FP-20DBV)
PTSP0020JB-A
(TTP-20DAV)
Package
Abbreviation
P
FP
RP
T
—
EL (2,000 pcs/reel)
EL (1,000 pcs/reel)
ELL (2,000 pcs/reel)
Taping Abbreviation
(Quantity)
Note: Please consult the sales office for the above package availability.
Function Table
Inputs
G
1
L
L
H
H
L
X
Z
:
:
:
:
G
2
L
L
X
A
L
H
X
X
HD74HC540
H
L
Z
Z
Output Y
HD74HC541
L
H
Z
Z
X
H
high level
low level
irrelevant
off (high-impedance) state of a 3-state output
Rev.2.00 Mar 30, 2006 page 1 of 8
RENESAS [ RENESAS TECHNOLOGY CORP ]
