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54AC163 데이터시트(HTML) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
부품명 54AC163
상세내용  Synchronous Presettable Binary Counter
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제조사  NSC [National Semiconductor (TI)]
홈페이지  http://www.national.com
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54AC163 데이터시트(HTML) 1 Page - National Semiconductor (TI)

 
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54AC163
54ACT163
Synchronous Presettable Binary Counter
General Description
The ’AC/’ACT163 are high-speed synchronous modulo-16
binary counters. They are synchronously presettable for ap-
plication in programmable dividers and have two types of
Count Enable inputs plus a Terminal Count output for versa-
tility in forming synchronous multistage counters. The ’AC/
’ACT163 has a Synchronous Reset input that overrides
counting and parallel loading and allows the outputs to be si-
multaneously reset on the rising edge of the clock.
Features
n ICC reduced by 50%
n Synchronous counting and loading
n High-speed synchronous expansion
n Typical count rate of 125 MHz
n Outputs source/sink 24 mA
n ’ACT163 has TTL-compatible inputs
n Standard Microcircuit Drawing (SMD)
— ’AC163: 5962-89582
— ’ACT163: 5962-91723
Logic Symbols
Pin
Names
Description
CEP
Count Enable Parallel Input
CET
Count Enable Trickle Input
CP
Clock Pulse Input
SR
Synchronous Reset Input
P
0–P3
Parallel Data Inputs
PE
Parallel Enable Input
Q
0–Q3
Flip-Flop Outputs
TC
Terminal Count Output
FACTis a trademark of Fairchild Semiconductor Corporation.
DS100275-1
IEEE/IEC
DS100275-2
November 1998
© 1998 National Semiconductor Corporation
DS100275
www.national.com


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