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IDT74FCT161TQB PDF预览

IDT74FCT161TQB

更新时间: 2024-10-26 23:11:43
品牌 Logo 应用领域
艾迪悌 - IDT 计数器
页数 文件大小 规格书
7页 98K
描述
FAST CMOS SYNCHRONOUS PRESETTABLE BINARY COUNTERS

IDT74FCT161TQB 数据手册

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IDT54/74FCT161T/AT/CT  
IDT54/74FCT163T/AT/CT  
FAST CMOS  
SYNCHRONOUS  
PRESETTABLE  
BINARY COUNTERS  
Integrated Device Technology, Inc.  
DESCRIPTION:  
FEATURES:  
TheIDT54/74FCT161T/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  
inputsthatoverrideallotherinputsandforcetheoutputsLOW.  
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.  
• 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  
FUNCTIONAL BLOCK DIAGRAMS  
P
0
P1  
P2  
P3  
PE  
'161  
'163  
CEP  
CET  
163  
ONLY  
TC  
161  
ONLY  
CP  
CP  
CP  
D CP D  
C
D
Q
Q
Q
0
Q
0
DETAIL  
DETAIL  
DETAIL  
A
A
A
DETAIL A  
MR ('161)  
SR ('163)  
Q
0
Q
1
Q
2
Q
3
2611 drw 01  
The IDT logo is a registered trademark of Integrated Device Technology, Inc.  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
OCTOBER 1994  
1995 Integrated Device Technology, Inc.  
6.7  
DSC-4219/4  
1

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