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HCF4021B Datenblatt(PDF) 5 Page - STMicroelectronics

Teilenummer HCF4021B
Bauteilbeschribung  ASYNCHRONOUS PARALLEL IN OR SYNCHRONOUS SERIAL IN/SERIAL OUT 8 - STAGE STATIC SHIFT REGISTER
PDF  11 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

HCF4021B Datenblatt(HTML) 5 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) If more than one unit is cascaded trCL should be made less than or equal to the sum of the transition time and the fixed propagation delay
of the output of the driving stage of the estimated capacitive load.
Symbol
Parameter
Test Condition
Value (*)
Unit
VDD (V)
Min.
Typ.
Max.
CLOCKED OPERATION
tPLH tPHL Propagation Delay Time
5
160
320
ns
10
80
160
15
60
120
tTHL tTLH Transition Time
5
100
200
ns
10
50
100
15
40
80
fCL
(1)
Maximum Clock Input
Frequency
53
6
MHz
10
6
12
15
8.5
17
tW
Clock Pulse Width
5
180
90
ns
10
80
40
15
50
25
tr , tf
Clock Input Rise or Fall
Time
515
µs
10
15
15
15
tsetup
Setup Time, serial Input
(ref to CL)
5
120
60
ns
10
80
40
15
60
30
tsetup
Setup Time, Parallel Inputs
(ref to P/S)
550
25
ns
10
30
15
15
20
10
thold
Hold Time, serial in,
parallel in, parallel /serial
control
50
ns
10
0
15
0
tWH
P/S Pulse Widht
5
160
80
ns
10
80
40
15
50
25
trem
P/S Removal Time (ref to
CL)
5
280
140
ns
10
140
70
15
100
50



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