mc5474hc161a ETC-unknow, mc5474hc161a Datasheet - Page 10

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

MOTOROLA
H = COUNT
L = DISABLE
H = COUNT
L = DISABLE
NOTE: When used in these cascaded configurations the clock f max guaranteed limits may not apply. Actual performance will depend on
MC54/74HC161A MC54/74HC163A
ENABLE P
ENABLE T
CLOCK
RESET
CLOCK
RESET
LOAD
LOAD
number of stages. This limitation is due to set up times between Enable (Port) and Clock.
LOAD P0 P1 P2 P3
ENABLE P
ENABLE T
LOAD P0 P1 P2 P3
ENABLE P
ENABLE T
CLOCK
R
CLOCK
R
Q0 Q1 Q2 Q3
Q0 Q1 Q2 Q3
OUTPUTS
INPUTS
OUTPUTS
INPUTS
RIPPLE
CARRY
OUT
RIPPLE
CARRY
OUT
TYPICAL APPLICATIONS CASCADING
Figure 11. N–Bit Synchronous Counters
Figure 12. Nibble Ripple Counter
LOAD P0 P1 P2 P3
ENABLE P
ENABLE T
CLOCK
LOAD P0 P1 P2 P3
R
ENABLE P
ENABLE T
CLOCK
R
Q0 Q1 Q2 Q3
3–10
Q0 Q1 Q2 Q3
OUTPUTS
INPUTS
OUTPUTS
INPUTS
RIPPLE
CARRY
OUT
RIPPLE
CARRY
OUT
LOAD P0 P1 P2 P3
ENABLE P
ENABLE T
LOAD P0 P1 P2 P3
ENABLE P
ENABLE T
CLOCK
R
CLOCK
R
Q0 Q1 Q2 Q3
Q0 Q1 Q2 Q3
OUTPUTS
INPUTS
OUTPUTS
High–Speed CMOS Logic Data
INPUTS
RIPPLE
CARRY
OUT
RIPPLE
CARRY
OUT
DL129 — Rev 6
SIGNIFICANT
SIGNIFICANT
STAGES
STAGES
MORE
MORE
TO
TO