mc5474hc161a ETC-unknow, mc5474hc161a Datasheet - Page 8

• Manufacturer Part Number: mc5474hc161a
• Description: Presettable Counters
• Manufacturer: ETC-unknow

MOTOROLA
MC54/74HC161A MC54/74HC163A
ENABLES
COUNT
CLOCK (HC161A)
CLOCK (HC163A)
RESET (HC161A)
RESET (HC163A)
OUTPUTS
Sequence illustrated in waveforms:
1. Reset outputs to zero.
2. Preset to binary twelve.
3. Count to thirteen, fourteen, fifteen, zero, one and two.
4. Inhibit.
PRESET
INPUTS
DATA
ENABLE P
ENABLE T
RIPPLE
CARRY
OUT
LOAD
Q0
Q1
Q2
Q3
P0
P1
P2
P3
RESET
LOAD
Figure 9. Timing Diagram
(ASYNCHRONOUS)
(SYNCHRONOUS)
12
13 14
3–8
15
COUNT
0
1
2
INHIBIT
High–Speed CMOS Logic Data
DL129 — Rev 6