MIC50398 Micrel Semiconductor, MIC50398 Datasheet - Page 5

• Manufacturer Part Number: MIC50398
• Description: Six Decade Counter / Display Decoder
• Manufacturer: Micrel Semiconductor

MIC50398/50399
Timing
Loading Counter, Register (1 Digit)
ZERO OUTPUT INHIBITED
COUNT INPUT, CARRY
LOAD COUNTER
COUNT INHIBIT
DURING THIS TIME
DIGIT OUTPUT 5 ETC
UP/DOWN
BCD DATA INPUT
LOAD COUNTER
DIGIT OUTPUT 6
CARRY OUTPUT
COUNT
COUNT
STORE
CARRY
CLEAR
ZERO OUTPUT
ZERO
COUNT INPUT
SCAN
t
CS
t
OA
t
CA
t
PCW
t
DV
t
LS
t
t
t
OA
CA
CH
t
UDS
t
SPW
t
SS
t
t
CH
OH
t
8-14
L
t
OH
t
UDS
t
CIS
t
t
NOTE:
The inhibit function of the zero or carry outputs does
not end when the Load Counter input goes to a “0”
unless that transition occurs during interdigit
blanking period at least 2.0 s prior to a positive
transition of a digit output.
LS
DV
2.0 s min NOTE: REF. TO POSITIVE
2.0 S min NOTE: REF. TO NEGATIVE
TRANSITION OF DIGIT OUTPUT
EDGE OF DIGIT OUTPUT
t
CIS
August 1998
Micrel