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| 74HC7597 Datasheet, PDF (4/12 Pages) NXP Semiconductors – 8-bit shift register with input latches | |||
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Philips Semiconductors
8-bit shift register with input latches
Product speciï¬cation
74HC/HCT7597
FUNCTION TABLE
LE SHCP PL MR
LX
XX
HX
XX
FUNCTION
data enabled to input latches (transparent)
data stored into latches (non-transparent)
XX
LH
data transferred from input latches to shift register
XX
XX
Xâ
LL
HL
HH
invalid logic, state of shift register indeterminate when signals removed
shift register cleared
shift register clocked Qn = Qn-1, Q0 = DS
Notes
1. H = HIGH voltage level
L = LOW voltage level
X = donât care
â = LOW-to-HIGH CP transition
Fig.4 Functional diagram.
December 1990
4
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