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74AC163 Datasheet

  • 74AC163

  • Synchronous Presettable Binary Counter

  • 102.28KB

  • Fairchild

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74AC163 鈥?74ACT163 Synchronous Presettable Binary Counter
November 1988
Revised February 2000
74AC163 鈥?74ACT163
Synchronous Presettable Binary Counter
General Description
The AC/ACT163 are high-speed synchronous modulo-16
binary counters. They are synchronously presettable for
application in programmable dividers and have two types
of Count Enable inputs plus a Terminal Count output for
versatility 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
simultaneously reset on the rising edge of the clock.
Features
s
I
CC
reduced by 50%
s
Synchronous counting and loading
s
High-speed synchronous expansion
s
Typical count rate of 125 MHz
s
Outputs source/sink 24 mA
s
ACT163 has TTL-compatible inputs
Ordering Code:
Order Number
74AC163SC
74AC163SJ
74AC163MTC
74AC163PC
74ACT163SC
74ACT163SJ
74ACT163MTC
74ACT163PC
Package Number
M16A
M16D
MTC16
N16E
M16A
M16D
MTC16
N16E
Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150鈥?Narrow Body
16-Lead Small Outline Package, (SOP), EIAJ TYPE II, 5.3mm Wide
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300鈥?Wide
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150鈥?Narrow Body
16-Lead Small Outline Package, (SOP), EIAJ TYPE II, 5.3mm Wide
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300鈥?Wide
Device also available in Tape and Reel. Specify by appending suffix letter 鈥淴鈥?to the ordering code.
Connection Diagram
Pin Descriptions
Pin Names
CEP
CET
CP
SR
P
0
鈥揚
3
PE
Q
0
鈥換
3
TC
Description
Count Enable Parallel Input
Count Enable Trickle Input
Clock Pulse Input
Synchronous Reset Input
Parallel Data Inputs
Parallel Enable Input
Flip-Flop Outputs
Terminal Count Output
漏 2000 Fairchild Semiconductor Corporation
DS009932
www.fairchildsemi.com

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