参数资料
型号: MC14014BD
厂商: MOTOROLA INC
元件分类: 计数移位寄存器
英文描述: 4000/14000/40000 SERIES, 8-BIT RIGHT PARALLEL IN SERIAL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16
封装: PLASTIC, SOIC-16
文件页数: 3/6页
文件大小: 222K
代理商: MC14014BD
MOTOROLA CMOS LOGIC DATA
53
MC14014B MC14021B
SWITCHING CHARACTERISTICS (CL = 50 pF, TA = 25_C)
Characteristic
Symbol
VDD
Vdc
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
tTLH,
tTHL
5.0
10
15
100
50
40
200
100
80
ns
Propagation Delay Time (Clock to Q, P/S to Q)
tPHL, tPLH = (1.7 ns/pF) CL + 315 ns
tPHL, tPLH = (0.66 ns/pF) CL + 137 ns
tPHL, tPLH = (0.5 ns/pF) CL + 90 ns
tPLH,
tPHL
5.0
10
15
400
170
115
800
340
230
ns
Clock Pulse Width
tWH
5.0
10
15
400
175
135
150
75
40
ns
Clock Frequency
fcl
5.0
10
15
3.0
6.0
8.0
1.5
3.0
4.0
MHz
Parallel/Serial Control Pulse Width
tWH
5.0
10
15
400
175
135
150
75
40
ns
Setup Time
P/S to Clock
tsu
5.0
10
15
200
100
80
100
50
40
ns
Hold Time
Clock to P/S
th
5.0
10
15
20
25
– 2.5
– 10
0
ns
Setup Time
Data (Parallel or Serial) to
Clock or P/S
tsu
5.0
10
15
350
80
60
150
50
30
ns
Hold Time
Clock to Ds
th
5.0
10
15
45
35
0
5
ns
Hold Time
Clock to Pn
th
5.0
10
15
50
45
25
20
ns
Input Clock Rise Time
tr(cl)
5.0
10
15
15
5
4
s
* 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.
Figure 1. Output Source Current Test Circuit
Figure 2. Output Sink Current Test Circuit
PULSE
GENERATOR
PULSE
GENERATOR
VDD
Vout
IOH
EXTERNAL
POWER
SUPPLY
EXTERNAL
POWER
SUPPLY
P/S
C
P6
P7
P8
DS
Q8
Q7
Q6
Preset output under test to a logic “1” level.
VDD
Vout
P/S
C
P6
P7
P8
DS
Q8
Q7
Q6
IOL
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