Z86228 Datasheet, PDF (6/7 Pages) Zilog, Inc. – LINE 21 CLOSED CAPTION CONTROLLER (L21C)

PRELIMINARY
AC CHARACTERISTICS
T_A = 0°C to + 70°C; V_CC = +4.75V to +5.25V
Z86228
CPS DC-4243-00
Tckd
Tckl
Tenl
SEN
Tckh
SCK
Tout
Toff
Tdsu Tdh
Tasu Tah
Tout
Toff
SDA _HI-Z
SS-OUT
HI-Z
D0-IN
D(1-7)-IN
A0-IN
HI-Z
SS-OUT
HI-Z
Serial Mode Timing Diagram
Symbol
T
OUT
T_OFF
T_CKD
T
CKL
T_CKH
T_DSU
T
DH
T_ENI
T
ASU
T_AH
Description
Output enable time, ENA rising edge to Data Out
Output disable time, CLK or ENA falling edge to Data Hi-Z
Data read time, ENA rising edge to CLK low
CLK low time
CLK high time
Data set-up time
Data hold time
ENA low time
A0 set-up time
A0 hold time
Min.
200
200
200
100
100
200
100
100
Max.
200
100
Units
ns
ns
ns
ns
ns
ns
ms
ns
ns
ns
6