参数资料
型号: MC14553BCP
厂商: MOTOROLA INC
元件分类: 计数器
英文描述: 4000/14000/40000 SERIES, SYN NEGATIVE EDGE TRIGGERED 12-BIT UP DECADE COUNTER, PDIP16
封装: PLASTIC, DIP-16
文件页数: 4/8页
文件大小: 231K
代理商: MC14553BCP
MOTOROLA CMOS LOGIC DATA
MC14553B
4
Figure 1. 3–Digit Counter Timing Diagram (Reference Figure 3)
1000
999
998
997
996
995
994
993
992
991
990
901
900
899
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
UNITS CLOCK
UNITS Q0
UNITS Q1
UNITS Q2
UNITS Q3
TENS CLOCK
TENS Q0
TENS Q3
HUNDREDS
CLOCK
HUNDREDS Q0
HUNDREDS Q3
DISABLE
OVERFLOW
MASTER
RESET
SCAN
OSCILLATOR
DIGIT SELECT 1
DIGIT SELECT 2
DIGIT SELECT 3
UP AT 80
UP AT 980
UP AT 800
(DISABLES CLOCK WHEN HIGH)
UNITS
TENS
HUNDREDS
PULSE
GENERATOR
(a)
16
VDD
Q3
Q2
Q1
Q0
O.F.
DS1
DS2
DS3
8
VSS
C
LE
DIS
MR
CL
GENERATOR
1
(b)
VDD
Q3
Q2
Q1
Q0
O.F.
DS1
DS2
DS3
VSS
C
LE
MR
DIS
CL
GENERATOR
2
GENERATOR
3
20 ns
90%
10%
tPLH
tPHL
50%
tTHL
tTLH
10%
90%
50%
1/fcl
tWL(cl)
999
1000
tTLH
50%
OVERFLOW
BCD OUT
CLOCK
90%
10%
trem
tPHL, tPLH
50%
tWH(R)
tsu
tPHL
MASTER RESET
BCD OUT
LATCH
ENABLE
CLOCK
Figure 2. Switching Time Test Circuits and Waveforms
tsu
tPHL
相关PDF资料
PDF描述
MC14554BALDS 4000/14000/40000 SERIES, 2-BIT MULTIPLIER, CDIP16
MC14554BALD 4000/14000/40000 SERIES, 2-BIT MULTIPLIER, CDIP16
MC14554BCPDS 4000/14000/40000 SERIES, 2-BIT MULTIPLIER, PDIP16
MC14554BCPD 4000/14000/40000 SERIES, 2-BIT MULTIPLIER, PDIP16
MC14555BFL1 4000/14000/40000 SERIES, OTHER DECODER/DRIVER, TRUE OUTPUT, PDSO16
相关代理商/技术参数
参数描述
MC14553BCPG 功能描述:计数器移位寄存器 3-18V 3-Digit BCD RoHS:否 制造商:Texas Instruments 计数器类型: 计数顺序:Serial to Serial/Parallel 电路数量:1 封装 / 箱体:SOIC-20 Wide 逻辑系列: 逻辑类型: 输入线路数量:1 输出类型:Open Drain 传播延迟时间:650 ns 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装:Reel
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