HCF4532BM1 STMicroelectronics, HCF4532BM1 Datasheet - Page 6

• Manufacturer Part Number: HCF4532BM1
• Description: Encoders, Decoders, Multiplexers & Demultiplexers 8-In Priority Encodr
• Manufacturer: STMicroelectronics

Specifications of HCF4532BM1

• Product Category: Encoders, Decoders, Multiplexers & Demultiplexers
• Product: Encoders
• Logic Family: HCF45
• Number Of Lines (input / Output): 8 / 3
• Propagation Delay Time: 440 ns at 5 V, 220 ns at 10 V, 160 ns at 15 V
• Supply Voltage - Max: 20 V
• Supply Voltage - Min: 3 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SO-16
• Minimum Operating Temperature: - 55 C
• Number Of Input Lines: 8
• Number Of Output Lines: 3
• Power Dissipation: 200 mW
• Factory Pack Quantity: 50

HCF4532B
Figure 5: 0 To 9 Keyboard Encoder
Table 7: Truth Table
X : Don’t Care
6/13
D9
H
L
L
L
L
L
L
L
L
L
D8
X
H
L
L
L
L
L
L
L
L
D7
X
X
H
L
L
L
L
L
L
L
D6
X
X
X
H
L
L
L
L
L
L
D5
X
X
X
X
H
L
L
L
L
L
INPUTS
D4
X
X
X
X
X
H
L
L
L
L
D3
X
X
X
X
X
X
H
L
L
L
D2
X
X
X
X
X
X
X
H
L
L
D1
X
X
X
X
X
X
X
X
H
L
D0
X
X
X
X
X
X
X
X
X
H
GS
H
H
H
H
H
H
H
H
L
L
Q3’
H
H
L
L
L
L
L
L
L
L
OUTPUTS
Q2’
H
H
H
H
L
L
L
L
L
L
Q1’
H
H
H
H
L
L
L
L
L
L
Q0
H
H
H
H
H
L
L
L
L
L