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Integrated Device Technology - FAST CMOS SYNCHRONOUS PRESETTABLE BINARY COUNTERS

Numéro de référence IDT54FCT163AT
Description FAST CMOS SYNCHRONOUS PRESETTABLE BINARY COUNTERS
Fabricant Integrated Device Technology 
Logo Integrated Device Technology 





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IDT54FCT163AT fiche technique
Integrated Device Technology, Inc.
FAST CMOS
SYNCHRONOUS
PRESETTABLE
BINARY COUNTERS
IDT54/74FCT161T/AT/CT
IDT54/74FCT163T/AT/CT
FEATURES:
• Std., A and C speed grades
• Low input and output leakage 1µA (max.)
• CMOS power levels
• True TTL input and output compatibility
– VOH = 3.3V (typ.)
– VOL = 0.3V (typ.)
• High drive outputs (-15mA IOH, 48mA IOL)
• Meets or exceeds JEDEC standard 18 specifications
• Product available in Radiation Tolerant and Radiation
Enhanced versions
• Military product compliant to MIL-STD-883, Class B
and DESC listed (dual marked)
• Available in DIP, SOIC, QSOP, CERPACK and LCC
packages
DESCRIPTION:
The IDT54/74FCT161T/163T, IDT54/74FCT161AT/ 163AT
and IDT54/74FCT161CT/163CT are high-speed synchro-
nous modulo-16 binary counters built using an advanced dual
metal CMOS technology. They are synchronously preset-
table for application in programmable dividers and have two
types of count enable inputs plus a terminal count output for
versatility in forming synchronous multi-stage counters. The
IDT54/74FCT161T/AT/CT have asynchronous Master Reset
inputs that override all other inputs and force the outputs LOW.
The IDT54/74FCT163T/AT/CT have Synchronous Reset in-
puts that override counting and parallel loading and allow the
outputs to be simultaneously reset on the rising edge of the
clock.
FUNCTIONAL BLOCK DIAGRAMS
PE
'161 '163
CEP
CET
163
ONLY
P0
P1 P2
P3
TC
CP
MR ('161)
SR ('163)
161
CP ONLY
CP
D CP D
CD
QQ
Q0
Q0
DETAIL A
Q0
DETAIL
A
Q1
DETAIL
A
Q2
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1995 Integrated Device Technology, Inc.
6.7
DETAIL
A
Q3
2611 drw 01
OCTOBER 1994
DSC-4219/4
1

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