74HC541; 74HTC541
Octal buffer/line driver; 3-state
Rev. 3 — 15 April 2014
Product data sheet
1. General description
The 74HC541; 74HCT541 is an octal non-inverting buffer/line driver with 3-state outputs.
The device features two output enables (OE1 and OE2). A HIGH on OEn causes the
outputs to assume a high-impedance OFF-state. Inputs include clamp diodes that enable
the use of current limiting resistors to interface inputs to voltages in excess of V
CC
.
2. Features and benefits
Non-Inverting outputs
Complies with JEDEC standard no. 7A
Input levels:
For 74HC541: CMOS level
For 74HCT541: TTL level
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Multiple package options
Specified from
40 C
to +85
C
and from
40 C
to +125
C
3. Ordering information
Table 1.
Ordering information
Package
Temperature range
74HC541N
74HCT541N
74HC541D
74HCT541D
74HC541DB
74HCT541DB
74HC541PW
74HCT541PW
40 C
to +125
C
TSSOP20
40 C
to +125
C
SSOP20
40 C
to +125
C
SO20
plastic small outline package; 20 leads;
body width 7.5 mm
plastic shrink small outline package; 20 leads;
body width 5.3 mm
plastic thin shrink small outline package; 20 leads;
body width 4.4 mm
SOT163-1
SOT339-1
SOT360-1
40 C
to +125
C
Name
DIP20
Description
plastic dual in-line package; 20 leads (300 mil)
Version
SOT146-1
Type number
NXP Semiconductors
74HC541; 74HTC541
Octal buffer/line driver; 3-state
4. Functional diagram
Fig 1.
Logic symbol
Fig 2.
IEC logic symbol
74HC_HCT541
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 3 — 15 April 2014
2 of 19
NXP Semiconductors
74HC541; 74HTC541
Octal buffer/line driver; 3-state
Fig 3.
Functional diagram
74HC_HCT541
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 3 — 15 April 2014
3 of 19
NXP Semiconductors
74HC541; 74HTC541
Octal buffer/line driver; 3-state
Fig 4.
Logic diagram
74HC_HCT541
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 3 — 15 April 2014
4 of 19
NXP Semiconductors
74HC541; 74HTC541
Octal buffer/line driver; 3-state
5. Pinning information
5.1 Pinning
Fig 5.
Pin configuration DIP20, SO20 and (T)SSOP20
5.2 Pin description
Table 2.
Symbol
OE1
A0 to A7
GND
Y0 to Y7
OE2
V
CC
Pin description
Pin
1
2, 3, 4, 5, 6, 7, 8, 9
10
19
20
Description
output enable input (active LOW)
data input
ground (0 V)
output enable input (active LOW)
supply voltage
18, 17, 16, 15, 14, 13, 12, 11 data output
6. Functional description
Table 3.
Control
OE1
L
L
X
H
[1]
Functional table
[1]
Input
OE2
L
L
H
X
An
L
H
X
X
Output
Yn
L
H
Z
Z
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
74HC_HCT541
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 3 — 15 April 2014
5 of 19
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