74HC165 Datasheet, PDF (12/22 Pages) NXP Semiconductors – 8-bit parallel-in/serial-out shift register

NXP Semiconductors
74HC165; 74HCT165
8-bit parallel-in/serial out shift register
V_I
PL input
GND
V_I
CE, CP input
GND
V_OH
Q7 or Q7 output
V_OL
V_M
t_W
t_rec
V_M
t_PHL
V_M
mna988
Fig 8.
Measurement points are given in Table 8.
V_OL and V_OH are typical voltage output levels that occur with the output load.
The parallel load (PL) pulse width, the parallel load to output (Q7 or Q7) propagation delays, the parallel
load to clock (CP) and clock enable (CE) recovery time
V_I
D7 input
GND
V_OH
Q7 output
V_OL
V_OH
Q7 output
V_OL
V_M
t_PLH
V_M
t_PHL
V_M
t_PHL
t_PLH
mna989
Fig 9.
Measurement points are given in Table 8.
V_OL and V_OH are typical voltage output levels that occur with the output load.
The data input (D7) to output (Q7 or Q7) propagation delays when PL is LOW
74HC_HCT165_3
Product data sheet
Rev. 03 — 14 March 2008
© NXP B.V. 2008. All rights reserved.
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