74HC299 Datasheet, PDF (15/24 Pages) NXP Semiconductors – 8-bit universal shift register; 3-state

NXP Semiconductors
74HC299; 74HCT299
8-bit universal shift register; 3-state
V_I
MR input
GND
V_I
CP input
GND
V_OH
I/On, Q0, Q7
outputs
V_OL
V_M
t_W
t_rec
V_M
t_PHL
V_M
001aai463
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 master reset pulse width (LOW), the master reset to outputs I/On, Q0, Q7 propagation delays and the
master reset to clock pulse removal time
V_I
I/On, DSR, DSL, Sn
inputs
GND
V_I
CP input
GND
V_M
t_su
t_h
V_M
t_su
t_h
001aai464
Measurement points are given in Table 8.
Fig 9. Set-up and hold times from the mode control inputs S0, S1 to the clock pulse
74HC_HCT299_3
Product data sheet
Rev. 03 — 28 July 2008
© NXP B.V. 2008. All rights reserved.
15 of 24