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74HC595 Datasheet, PDF (19/28 Pages) NXP Semiconductors – 8-bit serial-in/serial or parallel-out shift register with output latches; 3-state
Philips Semiconductors
8-bit serial-in, serial or parallel-out shift
register with output latches; 3-state
AC WAVEFORMS
Product specification
74HC595; 74HCT595
handbook, full pagewidth
SH_CP input
Q7' output
1/fmax
VM
tW
tPLH
tTLH
tPHL
90%
VM
10%
tTHL
MSA699
74HC595: VM = 50%; VI = GND to VCC.
74HCT595: VM = 1.3 V; VI = GND to 3 V.
Fig.7 Waveforms showing the clock (SH_CP) to output (Q7’) propagation delays, the shift clock pulse width and
maximum shift clock frequency.
handbook, full pagewidth
SH_CP input
ST_CP input
Qn output
VM
tsu
VM
tW
tPLH
VM
1/fmax
tPHL
MSA700
74HC595: VM = 50%; VI = GND to VCC.
74HCT595: VM = 1.3 V; VI = GND to 3 V.
Fig.8 Waveforms showing the storage clock (ST_CP) to output (Qn) propagation delays, the storage clock
pulse width and the shift clock to storage clock set-up time.
2003 Jun 25
19