UPD16488AP NEC [NEC], UPD16488AP Datasheet - Page 80

• Manufacturer Part Number: UPD16488AP
• Description: 1/92 DUTY LCD CONTROLLER/DRIVER WITH FOUR-LEVEL GRAY SCALE, ON-CHIP RAM
• Manufacturer: NEC [NEC]

Required Timing Conditions (Unless Otherwise Specified, T
(1) i80 CPU interface
When V
Note TYP. values are reference values when T
Address hold time
Address setup time
System cycle time
Control low-level pulse width (/WR) t
Control low-level pulse width (/RD)
Control high-level pulse width (/WR) t
Control high-level pulse width (/RD) t
Data setup time
Data hold time
/RD access time
Output disable time
(CS2 = H)
80
/WR, /RD
D
D
(Read)
(Write)
0
0
DD1
/CS1
to D
to D
RS
= 1.7 V to 2.0 V
Parameter
7
7
t
AS8
t
t
t
t
t
t
t
t
AH8
AS8
CYC8
CCLW
CCLR
CCHW
CCHR
DS8
DH8
ACC8
OH8
Symbol
t
f
RS
RS
/WR
/RD
/WR
/RD
D
D
D
D
t
A
0
0
0
0
ACC8
Data Sheet S15745EJ2V0DS
to D
= 25°C.
to D
to D
to D
t
CCLW,
7
7
7
7
, C
, C
Conditions
L
L
t
CCLR
t
= 100 pF
= 5 pF, R = 3 kΩ
DS8
A
= −30 to +85° ° ° ° C)
t
r
t
CYC8
t
t
t
AH8
DH8
OH8
1000
MIN.
160
430
160
160
160
t
CCHR
0
0
0
0
0
, t
CCHW
TYP.
Note
MAX.
470
170
µ µ µ µ PD16488A
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns