HEC4015BDB 查看數據表（PDF） - Philips Electronics
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HEC4015BDB Datasheet PDF : 5 Pages
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Philips Semiconductors
Dual 4-bit static shift register
LOGIC DIAGRAM (one register)
Product specification
HEF4015B
MSI
Fig.3 Logic diagram.
FUNCTION TABLE
INPUTS
OUTPUTS
n CP D MR O0 O1 O2 O3
1
D1 L
D1
X
XX
2
D2 L D2 D1 X X
3
D3 L
D3 D2 D1 X
4
D4 L
D4 D3 D2 D1
XL
XXH
no change
L L LL
Note
1. H = HIGH state (the more positive voltage)
2. L = LOW state (the less positive voltage)
3. X = state is immaterial
4.
= positive-going transition
5.
= negative-going transition
6. Dn = either HIGH or LOW
7. n = number of clock pulse transitions
January 1995
3
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