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參數資料
| 型號： | MC74ACT161DWR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 計數器 |
| 英文描述： | ACT SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16 |
| 封裝： | PLASTIC, SOIC-16 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 121K |
| 代理商： | MC74ACT161DWR2 |
Semiconductor Components Industries, LLC, 2001
May, 2001 – Rev. 5
1
Publication Order Number:
MC74AC161/D
MC74AC161, MC74ACT161,
MC74AC163, MC74ACT163
Synchronous Presettable
Binary Counter
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
34567
VCC
9
8
TC
Q0
Q1
Q2
Q3 CET PE
*R
CP
P0
P1
P2
P3 CEP GND
Figure 1. Pinout: 16–Lead Packages Conductors
(Top View)
PIN ASSIGNMENT
PIN
FUNCTION
CEP
Count Enable Parallel Input
CET
Count Enable Trickle Input
CP
Clock Pulse Input
MR
(
′161) Asynchronous Master Reset Input
SR
(
′163) Synchronous Reset Input
P0–P3
Parallel Data Inputs
PE
Parallel Enable Input
Q0–Q3
Flip–Flop Outputs
TC
Terminal Count Output
http://onsemi.com
DIP–16
N SUFFIX
CASE 648
1
16
SO–16
D SUFFIX
CASE 751B
1
16
TSSOP–16
DT SUFFIX
CASE 948F
1
16
See general marking information in the device marking
section on page 11 of this data sheet.
DEVICE MARKING INFORMATION
1
16
EIAJ–16
M SUFFIX
CASE 966
See detailed ordering and shipping information in the package
dimensions section on page 12 of this data sheet.
ORDERING INFORMATION
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PDF描述 |
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| MC74AC163DW | AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16 |
| MC74AC161DWR2 | AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16 |
| MC74ACT163DTR2 | ACT SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16 |
| MC74AC163DT | AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16 |
| MC74AC169NC | AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC74ACT161M | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74ACT161MEL | 功能描述:計數器 IC 5V Synchronous RoHS:否 制造商:NXP Semiconductors 計數器類型:Binary Counters 邏輯系列:74LV 位數:10 計數法: 計數順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| MC74ACT161MELG | 功能描述:計數器移位寄存器 5V Synchronous Presettable Binary RoHS:否 制造商:Texas Instruments 計數器類型: 計數順序:Serial to Serial/Parallel 電路數量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| MC74ACT161ML1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74ACT161N | 功能描述:計數器移位寄存器 5V Synchronous RoHS:否 制造商:Texas Instruments 計數器類型: 計數順序:Serial to Serial/Parallel 電路數量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
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