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HCF4026B 数据表(PDF) 6 Page - STMicroelectronics

部件名 HCF4026B
功能描述  DECADE COUNTER/DIVIDER WITH DECODED 7-SEGMENT DISPLAY OUTPUT AND DISPLAY ENABLE
PDF  11 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

HCF4026B 数据表(HTML) 6 Page - STMicroelectronics

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DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb = 25°C, CL = 50pF, RL = 200KΩ, tr = tf = 20 ns)
(*) Typical temperature coefficient for all VDD value is 0.3 %/°C.
(1) Measured with respect to carry output line.
Symbol
Parameter
Test Condition
Value (*)
Unit
VDD (V)
Min.
Typ.
Max.
CLOCKED OPERATION
tPLH tPHL Propagation Delay Time
(Carry Out Line)
5
250
500
ns
10
100
200
15
75
150
tPLH tPHL Propagation Delay Time
(Decoded Out Lines)
5
350
700
ns
10
125
250
15
90
180
tTHL tTLH Transition Time
(Carry Out Line)
5
100
200
ns
10
50
100
15
25
50
fCL
(1)
Maximum Clock Input
Frequency
5
2.5
5
MHz
10
5.5
11
15
8
16
tWC
Clock Pulse Width
5
110
260
ns
10
50
100
15
40
80
tr , tf
Clock Input Rise or Fall
Time
5
Unlimited
µs
10
15
RESET OPERATION
tPLH tPHL Propagation Delay Time
(Carry Out Line)
5
275
550
ns
10
120
240
15
80
160
tPLH tPHL Propagation Delay Time
(Decoded Out Lines)
5
300
600
ns
10
125
250
15
90
180
tWR
Reset Pulse Widht
5
100
120
ns
10
50
100
15
25
50
trem
Reset Removal Time
5
0
30
ns
10
0
15
15
0
10



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