74HC594N Ver la hoja de datos (PDF) - Philips Electronics
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74HC594N Datasheet PDF : 10 Pages
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Philips Semiconductors
8-bit shift register with output register
AC WAVEFORMS
Product specification
74HC/HCT594
(1) HC: VM = 50%; VI = GND to VCC
HCT: VM = 1.3 V; VI = GND to 3 V
Fig.7
Waveforms showing the shift clock
(SHCP) to output (Q7’) propagation delays,
the shift clock pulse width and the maximum
shift clock frequency.
SH CP INPUT
VM (1)
t su
1/ f max
STCP INPUT
Q n OUTPUTS
VM (1)
tW
t PLH
VM (1)
(1) HC: VM = 50%; VI = GND to VCC
HCT: VM = 1.3 V; VI = GND to 3 V
t PHL
MLA512
Fig.8
Waveforms showing the storage clock
(STCP) to output (Qn) propagation delays,
the storage clock pulse width, maximum
storage clock frequency and the shift clock
to storage clock set-up time.
handbook, halfpage
SHR INPUT
STCP INPUT
VM (1)
t su
VM (1)
(1) HC: VM = 50%; VI = GND to VCC
HCT: VM = 1.3 V; VI = GND to 3 V
Fig.9 Waveforms showing the data set-up and
hold times for the Ds input.
Q n OUTPUTS
VM (1)
MBC326
(1) HC: VM = 50%; VI = GND to VCC
HCT: VM = 1.3 V; VI = GND to 3 V
Fig.10 Waveforms showing the set-up time from
shift reset (SHR) to storage clock (STCP).
December 1991
9
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