Oki MSM9225B, User Manual

Page: 75 / 92

MSM9225B User’s Manual
Chapter 5 Electrical Characteristics
5 – 4
Serial mode
(V
DD
= 4.5 to 5.5 V, Ta = –40 to +125°C, f
OSC
= 16 MHz)
Parameter Symbol Condition Min. Max. Unit
CS
Setup Time t
CS
— 10 — ns
CS
Hold Time t
CH
— 8T — ns
SCLK Cycle t
CP
— 167 — ns
SCLK Pulse Width t
CW
— 83 — ns
SDI Setup Time t
DS
— 30 — ns
SDI Hold Time t
DH
— 5 — ns
SDO Output Enable Time t
CSODLY
— — 30 ns
SDO Output Disable Time t
CSZDLY
— — 30 ns
SDO Output Delay Time t
PD
— — 30 ns
SR
W
Setup Time t
RS
— 10 — ns
SR
W
Hold Time t
RH
0 — ns
SWAIT Output Delay Time t
SRDLY
— — 2T ns
SWAIT “H” Level Width t
WRDY
— — 6T ns
Byte Delay t
WAIT
— 8T — ns
T = 1/f
OSC
Other timing characteristics
(V
DD
= 4.5 to 5.5 V, Ta = –40 to +125°C)
Parameter Symbol Condition Min. Max. Unit
System Clock Cycle t
clkcy
— 62 — ns
RESET
“H” Level Input Width t
WRSTH
— 5 — µs
RESET
“L” Level Input Width t
WRSTL
— 5 — µs
INT
“L” Level Output Width t
WINTL
— 32T — ns
T = 1/f
OSC