74HC147DB NXP Semiconductors, 74HC147DB Datasheet - Page 3

• Manufacturer Part Number: 74HC147DB
• Description: Encoder 9-to-4 Priority CMOS 16-Pin SSOP Tube
• Manufacturer: NXP Semiconductors
• Type: Priorityr

Specifications of 74HC147DB

• Package: 16SSOP
• Logic Family: HC
• Number Of Element Inputs: 9
• Number Of Element Outputs: 4
• Operating Supply Voltage: 5 V

Philips Semiconductors
PIN DESCRIPTION
December 1990
PIN NO.
8
9, 7, 6, 14
11, 12, 13, 1, 2, 3, 4, 5, 10
15
16
10-to-4 line priority encoder
Fig.1 Pin configuration.
SYMBOL NAME AND FUNCTION
GND
Y
A
n.c.
V
0
0
CC
to Y
to A
3
8
ground (0 V)
BCD address outputs (active LOW)
decimal data inputs (active LOW)
not connected
positive supply voltage
Fig.3 IEC logic symbol.
3
Fig.2 Logic symbol.
74HC/HCT147
Product specification