參數(shù)資料
型號(hào): MC74HC161ADTR2G
廠商: ON Semiconductor
文件頁(yè)數(shù): 8/15頁(yè)
文件大?。?/td> 0K
描述: IC COUNTER 4BIT PRESET 16TSSOP
標(biāo)準(zhǔn)包裝: 2,500
系列: 74HC
邏輯類型: 二進(jìn)制計(jì)數(shù)器
方向:
元件數(shù): 1
每個(gè)元件的位元數(shù): 4
復(fù)位: 異步
計(jì)時(shí): 同步
計(jì)數(shù)速率: 167MHz
觸發(fā)器類型: 正邊沿
電源電壓: 2 V ~ 6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 帶卷 (TR)
MC74HC161A, MC74HC163A
http://onsemi.com
2
Inputs
Output
Clock Reset*
Load Enable P Enable T
Q
L
X
Reset
H
L
X
Load Preset Data
H
Count
H
L
X
No Count
H
X
L
No Count
FUNCTION TABLE
*HC163A only. HC161A is an Asynchronous Reset Device
H = high level, L = low level, X = don’t care
Figure 1. Pin Assignment
13
14
15
16
9
10
11
12
5
4
3
2
1
8
7
6
RESET
P0
CLOCK
GND
Q1
Q0
RIPPLE
CARRY OUT
VCC
P1
P2
P3
ENABLE P
Q2
Q3
ENABLE T
LOAD
Figure 2. Logic Diagram
PIN 16 = VCC
PIN 8 = GND
11
12
13
14 Q0
Q1
Q2
Q3
15
RIPPLE
CARRY
OUT
BCD OR
BINARY
OUTPUT
3
4
5
6
P0
P1
P2
P3
2
CLOCK
RESET
LOAD
ENABLE P
ENABLE T
COUNT
ENABLES
PRESET
DATA
INPUTS
1
9
7
10
DEVICE/MODE TABLE
Device
Count
Mode
Reset Mode
HC161A
Binary
Asynchronous
HC163A
Binary
Synchronous
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