參數(shù)資料
型號(hào)： MC74AC161N
廠商： MOTOROLA INC
元件分類(lèi)： 通用總線功能
英文描述： SYNCHRONOUS PRESETTABLE BINARY COUNTER
中文描述： AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDIP16
封裝： PLASTIC, DIP-16
文件頁(yè)數(shù)： 1/12頁(yè)
文件大?。?/td> 309K
代理商： MC74AC161N
5-1
FACT DATA
The MC74AC161/74ACT161 and MC74AC163/74ACT163 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 MC74AC161/74ACT161 has an asynchronous Master Reset input
that overrides all other inputs and forces the outputs LOW. The MC74AC163/
74ACT163 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.
Synchronous Counting and Loading
High-Speed Synchronous Expansion
Typical Count Rate of 125 MHz
Outputs Source/Sink 24 mA
′
ACT161 and
′
ACT163 Have TTL Compatible Inputs
15
16
14
13
12
11
10
2
1
*R
3
4
5
6
7
VCC
9
8
TC
Q0
Q1
Q2
Q3
CET
PE
CP
P0
P1
P2
P3
CEP
GND
PIN NAMES
CEP
CET
CP
MR
SR
P0–P3
PE
Q0–Q3
TC
Count Enable Parallel Input
Count Enable Trickle Input
Clock Pulse Input
(
′
161) Asynchronous Master Reset Input
(
′
163) Synchronous Reset Input
Parallel Data Inputs
Parallel Enable Input
Flip-Flop Outputs
Terminal Count Output
SYNCHRONOUS
PRESETTABLE
BINARY COUNTER
N SUFFIX
CASE 648-08
PLASTIC
D SUFFIX
CASE 751B-05
PLASTIC
LOGIC SYMBOL
*MR for
′
161
*SR for
′
163
PE P0P1P2
CEP
CET
CP
*R Q0Q1Q2Q3
P3
TC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC74AC161NG 功能描述:計(jì)數(shù)器移位寄存器 2-6V Synchronous Presettable Binary RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類(lèi)型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類(lèi)型: 輸入線路數(shù)量:1 輸出類(lèi)型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel
MC74AC162D 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述:
MC74AC162DR2 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述:
MC74AC162N 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:SYNCHRONOUS PRESETTABLE BCD DECADE COUNTER
MC74AC163 制造商:ONSEMI 制造商全稱(chēng):ON Semiconductor 功能描述:SYNCHRONOUS PRESETTABLE BINARY COUNTER
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