74HC594 Datasheet, PDF (9/10 Pages) NXP Semiconductors – 8-bit shift register with output register

Philips Semiconductors
8-bit shift register with output register
AC WAVEFORMS
Product specification
74HC/HCT594
(1) HC: V_M = 50%; V_I = GND to V_CC
HCT: V_M = 1.3 V; V_I = GND to 3 V
Fig.7
Waveforms showing the shift clock
(SH_CP) 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⁾
t_W
t _PLH
VM ⁽¹⁾
(1) HC: V_M = 50%; V_I = GND to V_CC
HCT: V_M = 1.3 V; V_I = GND to 3 V
t _PHL
MLA512
Fig.8
Waveforms showing the storage clock
(ST_CP) to output (Q_n) 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: V_M = 50%; V_I = GND to V_CC
HCT: V_M = 1.3 V; V_I = GND to 3 V
Fig.9 Waveforms showing the data set-up and
hold times for the D_s input.
Q _n OUTPUTS
VM ⁽¹⁾
MBC326
(1) HC: V_M = 50%; V_I = GND to V_CC
HCT: V_M = 1.3 V; V_I = GND to 3 V
Fig.10 Waveforms showing the set-up time from
shift reset (SH_R) to storage clock (ST_CP).
December 1991
9