74HC540N NXP Semiconductors, 74HC540N Datasheet - Page 2

• Manufacturer Part Number: 74HC540N
• Description: Buffer/Line Driver 8-CH Inverting 3-ST CMOS 20-Pin PDIP Bulk
• Manufacturer: NXP Semiconductors

Specifications of 74HC540N

• Package: 20PDIP
• Logic Family: HC
• Logic Function: Buffer/Line Driver
• Number Of Outputs Per Chip: 8
• Output Type: 3-State
• Input Signal Type: Single-Ended
• Maximum Propagation Delay Time @ Maximum Cl: 100@2V|20@4.5V|17@6V ns
• Polarity: Inverting
• Supply Voltage Range: 2V To 6V
• Logic Case Style: DIP
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (18-Jun-2010)
• Package / Case: DIP
• Base Number: 74
• Ic Generic Number: 74HC540
• Logic: RoHS Compliant
• Logic Device Type: Buffer / Line Driver, Inverting
• Rohs Compliant: Yes

Philips Semiconductors
FEATURES
GENERAL DESCRIPTION
The 74HC/HCT540 are high-speed Si-gate CMOS devices
and are pin compatible with low power Schottky TTL
(LSTTL). They are specified in compliance with JEDEC
standard no. 7A.
QUICK REFERENCE DATA
GND = 0 V; T
Notes
1. C
2. For HC the condition is V
ORDERING INFORMATION
See
December 1990
t
C
C
PHL
Inverting outputs
Output capability: bus driver
I
Octal buffer/line driver; 3-state;
inverting
I
PD
SYMBOL
CC
f
f
C
V
For HCT the condition is V
i
o
“74HC/HCT/HCU/HCMOS Logic Package Information”
/ t
CC
PD
= input frequency in MHz
L
category: MSI
= output frequency in MHz
(C
PLH
= output load capacitance in pF
P
= supply voltage in V
is used to determine the dynamic power dissipation (P
L
D
= C
V
amb
CC
PD
2
propagation delay A
input capacitance
power dissipation capacitance per buffer notes 1 and 2
= 25 C; t
V
f
o
CC
) = sum of outputs
2
f
r
i
= t
PARAMETER
I
I
f
= GND to V
= GND to V
= 6 ns
(C
L
n
to Y
V
CC
n
2
CC
CC
f
o
) where:
1.5 V
C
2
.
L
The 74HC/HCT540 are octal inverting buffer/line drivers
with 3-state outputs. The 3-state outputs are controlled by
the output enable inputs OE
A HIGH on OE
impedance OFF-state.
The “540” is identical to the “541” but has inverting outputs.
= 15 pF; V
D
in W):
CONDITIONS
CC
= 5 V
n
causes the outputs to assume a high
1
and OE
9
3.5
39
HC
74HC/HCT540
TYPICAL
Product specification
2
.
11
3.5
44
HCT
ns
pF
pF
UNIT