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HEF4021B Datasheet(PDF) 5 Page - NXP Semiconductors

Part # HEF4021B
Description  8-bit static shift register
Download  6 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

HEF4021B Datasheet(HTML) 5 Page - NXP Semiconductors

  HEF4021B Datasheet HTML 1Page - NXP Semiconductors HEF4021B Datasheet HTML 2Page - NXP Semiconductors HEF4021B Datasheet HTML 3Page - NXP Semiconductors HEF4021B Datasheet HTML 4Page - NXP Semiconductors HEF4021B Datasheet HTML 5Page - NXP Semiconductors HEF4021B Datasheet HTML 6Page - NXP Semiconductors  
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January 1995
5
Philips Semiconductors
Product specification
8-bit static shift register
HEF4021B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL
MIN.
TYP.
MAX.
Set-up time
5
25
−15
ns
see also waveforms
Figs 4 and 5
DS → CP
10
tsu
25
−10
ns
15
15
−5ns
550
25
ns
Pn → PL
10
tsu
30
10
ns
15
20
5
ns
Hold times
5
40
20
ns
DS → CP
10
thold
20
10
ns
15
15
8
ns
515
−10
ns
Pn → PL
10
thold
15
0
ns
15
15
0
ns
Minimum clock
5
70
35
ns
pulse width; LOW
10
tWCPL
30
15
ns
15
24
12
ns
Minimum PL
5
70
35
ns
pulse width; HIGH
10
tWPLH
30
15
ns
15
24
12
ns
Recovery time
5
50
10
ns
for PL
10
tRPL
40
5
ns
15
35
5
ns
Maximum clock
5
6
13
MHz
pulse frequency
10
fmax
15
30
MHz
15
20
40
MHz
VDD
V
TYPICAL FORMULA FOR P (
µW)
Dynamic power
5
900 fi +∑ (foCL) × VDD2
where
dissipation per
10
4 300 fi +∑ (foCL) × VDD2
fi = input freq. (MHz)
package (P)
15
12 000 fi +∑ (foCL) × VDD2
fo = output freq. (MHz)
CL = load capacitance (pF)
∑ (f
oCL) = sum of outputs
VDD = supply voltage (V)


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