74HC/HCT192 Philips Semiconductors (Acquired by NXP), 74HC/HCT192 Datasheet - Page 12

• Manufacturer Part Number: 74HC/HCT192
• Description: Presettable Synchronous BCD Decade Up/down Counter
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
December 1990
Presettable synchronous BCD decade
up/down counter
(1) HC : V
Fig.10 Waveforms showing the master reset input (MR) pulse width, MR to Q
The shaded areas indicate when the input is permitted
to change for predictable output performance.
(1) HC : V
(1) HC : V
Fig.12 Waveforms showing the data input (D
HCT: V
HCT: V
HCT: V
CP
terminal count outputs (TC
Fig.11 Waveforms showing the data input (D
M
M
M
M
M
M
= 50%; V
= 50%; V
= 50%; V
= 1.3 V; V
= 1.3 V; V
= 1.3 V; V
D
removal time and output transition times.
I
I
I
I
I
I
= GND to V
= GND to V
= GND to V
= GND to 3 V.
= GND to 3 V.
= GND to 3 V.
CC
CC
CC
.
.
.
U
, TC
D
) propagation delays.
n
), parallel load input (PL) and the master reset input (MR) to the
n
) to parallel load input (PL) set-up and hold times.
12
n
propagation delays, MR to CP
74HC/HCT192
Product specification
U
,