74HCT646N,652 NXP Semiconductors, 74HCT646N,652 Datasheet - Page 3

• Manufacturer Part Number: 74HCT646N,652
• Description: IC TRANSCVR 3ST 8BIT INV 24DIP
• Manufacturer: NXP Semiconductors
• Series: 74HCTr

Specifications of 74HCT646N,652

• Logic Type: Transceiver, Inverting
• Number Of Elements: 1
• Number Of Bits Per Element: 8
• Current - Output High, Low: 6mA, 6mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 24-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74HCT646N; 74HCT646N; 933670990652

Philips Semiconductors
PIN DESCRIPTION
September 1993
PIN NO.
1
2
3
4, 5, 6, 7, 8, 9, 10, 11
12
20, 19, 18, 17, 16, 15, 14, 13
21
22
23
24
Octal bus transceiver/register; 3-state
Fig.1 Pin configuration.
SYMBOL
CP
S
DIR
A
GND
B
OE
S
CP
V
AB
0
0
BA
CC
AB
to A
to B
BA
7
7
Fig.2 Logic symbol.
NAME AND FUNCTION
A to B clock input (LOW-to-HIGH, edge-triggered)
select A to B source input
direction control input
A data inputs/outputs
ground (0 V)
B data inputs/outputs
output enable input (active LOW)
select B to A source input
B to A clock input (LOW-to-HIGH, edge-triggered)
positive supply voltage
3
Fig.3 IEC logic symbol.
74HC/HCT646
Product specification