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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： | 3/8页 |
| 文件大小： | 231K |
| 代理商： | MC14553BCP |
MOTOROLA CMOS LOGIC DATA
3
MC14553B
SWITCHING CHARACTERISTICS (CL = 50 pF, TA = 25_C)
Characteristic
Figure
Symbol
VDD
Min
Typ #
Max
Unit
Output Rise and Fall Time
tTLH, tTHL = (1.5 ns/pF) CL + 25 ns
tTLH, tTHL = (0.75 ns/pF) CL + 12.5 ns
tTLH, tTHL = (0.55 ns/pF) CL + 9.5 ns
2a
tTLH,
tTHL
5.0
10
15
—
100
50
40
200
100
80
ns
Clock to BCD Out
2a
tPLH,
tPHL
5.0
10
15
—
900
500
200
1800
1000
400
ns
Clock to Overflow
2a
tPHL
5.0
10
15
—
600
400
200
1200
800
400
ns
Reset to BCD Out
2b
tPHL
5.0
10
15
—
900
500
300
1800
1000
600
ns
Clock to Latch Enable Setup Time
Master Reset to Latch Enable Setup Time
2b
tsu
5.0
10
15
600
400
200
300
200
100
—
ns
Removal Time
Latch Enable to Clock
2b
trem
5.0
10
15
– 80
– 10
0
– 200
– 70
– 50
—
ns
Clock Pulse Width
2a
tWH(cl)
5.0
10
15
550
200
150
275
100
75
—
ns
Reset Pulse Width
2b
tWH(R)
5.0
10
15
1200
600
450
600
300
225
—
ns
Reset Removal Time
—
trem
5.0
10
15
– 80
0
20
– 180
– 50
– 30
—
ns
Input Clock Frequency
2a
fcl
5.0
10
15
—
1.5
5.0
7.0
0.9
2.5
3.5
MHz
Input Clock Rise Time
2b
tTLH
5.0
10
15
No
Limit
ns
Disable, MR, Latch Enable
Rise and Fall Times
—
tTLH,
tTHL
5.0
10
15
—
15
5.0
4.0
s
Scan Oscillator Frequency
(C1 measured in
F)
1
fosc
5.0
10
15
—
1.5/C1
4.2/C1
7.0/C1
—
Hz
* The formulas given are for the typical characteristics only at 25
_C.
#Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
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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 |
| MC14553BCPG | 制造商:ON Semiconductor 功能描述:Counter / Multiplier / Divider Logic IC |
| MC14553BDW | 制造商:ON Semiconductor 功能描述:Counter Triple 3-Bit Decade UP 16-Pin SOIC Rail |
| MC145554DW | 制造商:Rochester Electronics LLC 功能描述:PCM CODEC-FILTER - Bulk |
| MC145554DWR2 | 制造商:Rochester Electronics LLC 功能描述:MONOCIRCUIT - Bulk |
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