74HC540N NXP Semiconductors, 74HC540N Datasheet - Page 4

• 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
December 1990
Octal buffer/line driver; 3-state; inverting
Fig.4 Functional diagram.
Fig.5 Logic diagram.
4
FUNCTION TABLE
Notes
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
Z = high impedance OFF-state
OE
X
H
L
L
1
INPUTS
OE
H
X
L
L
2
74HC/HCT540
A
H
X
X
L
n
Product specification
OUTPUT
Y
H
Z
Z
L
n