74HC/HCT190 Philips Semiconductors (Acquired by NXP), 74HC/HCT190 Datasheet - Page 12

• Manufacturer Part Number: 74HC/HCT190
• Description: Presettable Synchronous BCD Decade Up/down Counter
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
AC WAVEFORMS
December 1990
Presettable synchronous BCD decade
up/down counter
Fig.10 Waveforms showing the clock (CP) to
(1) HC : V
Fig.12 Waveforms showing the input (D
(1) HC : V
Fig.14 Waveforms showing the up/down count
(1) HC : V
HCT : V
HCT : V
HCT : V
output (Q
pulse width and the maximum clock pulse
frequency.
(Q
input (U/D) to terminal count and ripple
clock output (TC, RC) propagation delays.
M
M
M
M
M
M
n
= 50%; V
= 50%; V
= 1.3 V; V
= 50%; V
= 1.3 V; V
= 1.3 V; V
) propagation delays.
n
I
I
I
) propagation delays, the clock
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
.
.
.
n
) to output
12
(1) HC :
(1) HC : V
Fig.11 Waveforms showing the clock and count
(1) HC : V
Fig.13 Waveforms showing the input (PL) to output
Fig.15 Waveforms showing the parallel load input
V
V
V
HCT :
V
V
3 V.
M
I
CC
M
I
HCT : V
HCT : V
= GND to
= GND to
= 50%;
= 1.3 V;
.
enable inputs (CP, CE) to ripple clock
output (RC) propagation delays.
(Q
(PL) pulse width, removal time to clock (CP)
and the output (Q
M
M
M
M
n
= 50%; V
= 50%; V
= 1.3 V; V
= 1.3 V; V
) propagation delays.
I
I
I
I
= GND to V
= GND to V
= GND to 3 V.
= GND to 3 V.
n
) transition times.
CC
CC
.
.
74HC/HCT190
Product specification