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HD74ACT298 Datasheet

  • HD74ACT298

  • Quad 2-Input Multiplexer with Storage

  • 60.52KB

  • 10頁

  • HITACHI

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HD74AC298/HD74ACT298
Quad 2-Input Multiplexer with Storage
Description
This device is a high-speed multiplexer with storage. It selects four bits of data from two sources (Ports)
under the control of a common Select input (S). The selected data is transferred to the 4-bit output register
synchronous with the HIGH-to-LOW transition of the Clock input (CP). The 4-bit register is fully edge
triggered. The Data inputs (I
0
and I
1
) and Select input (S) must be stable only one setup time prior to the
HIGH-to-LOW transition of the clock for predictable operation.
Features
鈥?/div>
Outputs Source/Sink 24 mA
鈥?/div>
HD74ACT298 has TTL-Compatible Inputs
Pin Arrangement
I
1b
1
I
1a
2
I
0a
3
I
0b
4
I
1c
5
I
1d
6
I
0d
7
GND 8
(Top view)
16 V
CC
15 Q
a
14 Q
b
13 Q
c
12 Q
d
11
CP
10 S
9 I
0c

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