M54972P Datasheet, PDF (2/6 Pages) Mitsubishi Electric Semiconductor – Bi-CMOS 8-BIT SERIAL-INPUT LATCHED DRIVER

MITSUBISHI <CONTROL / DRIVER IC>
M54972P/FP
Bi-CMOS 8-BIT SERIAL-INPUT LATCHED DRIVER
TIMING CHART
Serial input S-IN
Clock T
Latch input LATCH
Enable input EN
O1
O2
O3
O4
Parallel outputs
O5
O6
O7
O8
Serial output S-OUT
∗The shaded area shows the unstable state.
INPUT/OUTPUT CIRCUIT DIAGRAM
1
Inputs with pullup resistors
(EN, LATCH)
VCC
RIN
3
Serial output
(S-OUT)
L-GND
VCC
2
Inputs with pulldown resistors
(T, S-IN)
VCC
RIN
4
Parallel outputs
(O1 – O8)
VCC
L-GND
L-GND
P-GND
L-GND