Z90231 Datasheet, PDF (7/9 Pages) Zilog, Inc. – Z8 DIGITAL TELEVISION CONTROLLERS

ZiLOG
AC CHARACTERISTICS
No
Symbol
1
T_pC
2
T_rC, T_fC
3
T_wC
4
T_wH_SYNCL
5
T_wH_SYNCH
6
T_pH_SYNC
7
T_rH_SYNC, T_rH_SYNC
8
T_wIL
9
T_wIH
10
T_dPOR
11
T_dLVIRES
12
T_wRES
13
T_dH_sOl
14
T_dH_sOh
Parameter
Input clock period
Clock input raise and fall
Input clock width
Timer input low width
Timer input high width
Timer input period
Timer input raise and fall
Int request input low
Int request input high
Power-On reset delay
Low voltage detect to internal
RESET condition
Reset minimum width
H_sync start to V_osc stop
H_sync start to V_osc start
Z90231/233/234/239
Z8 Digital Television Controllers
Min
166
35
70
3T_pC
8T_pC
70
3T_pC
25
200
5T_pC
2T_pV
Max
1000
25
100
100
3T_pV
1T_pV
Unit
ns
ns
ns
ns
ns
ns
ms
ns
CP00300-TVX0698
PRELIMINARY
7