LÜ-LCD-Dispalys_14

STANDARD COG MODULES
YMS 202-04
20 CHAR x 2 LINE, 1/16 DUTY, 1/5 BIAS
INTERFACE TIMING CHARACTERISTICS : WRITE CYCLE
V DD =+5.0V
PARAMETER SYMBOL MIN. MAX. UNIT
VIH1
VIH1
RS VIL1 VIL1
tAS tAH
R/W
VIL1
VIH1 tWHE tFE
E VIL1 VIL1 VIL1
tRE VIH1 tDS tDHW VIH1
DB0-DB7 VIL1 VAILD DATA VIL1
tCYCE
E Cycle Time t CYCE 500 ns
Enable High Level
Pulse Width
t WHE 300 ns
Enable Rise Time t RE 25 ns
Enable Fall Time t FE 25 ns
RS,R/W
Address Setup Time
RS,R/W
Address Hold Time
t AS
60 *1
*2
100
ns
t AH 10 ns
Data Output Delay t DS 100 ns
Data Hold Time t DHW 100 ns
Note (1): 8-bit operation mode.
Note (2): 4-bit operation mode
INTERFACE TIMING CHARACTERISTICS : READ CYCLE
V DD =+5.0V
PARAMETER SYMBOL MIN. MAX. UNIT
VIH1
VIH1
RS VIL1 VIL1
tAS tAH
R/W
tWHE
VIH1 tFE
E VIL1 tRE VIL1 VIL1
tRD VIH1 tDHR VIH1
DB0-DB7 VIL1 VAILD DATA VIL1
tCYCE
E Cycle Time t CYCE 500 ns
Enable High Level
Pulse Width
t WHE 300 ns
Enable Rise Time t RE 25 ns
Enable Fall Time t FE 25 ns
RS,R/W
Address Setup Time
RS,R/W
Address Hold Time
t AS
60 *1
*2
100
ns
t AH 10 ns
Data Output Delay t RD 190 ns
Data Hold Time t DHR 20 ns
Note (1): 8-bit operation mode.
Note (2): 4-bit operation mode
POWER SUPPLY CONDITIONS USING INTERNAL RESET CIRCUIT
V DD =+5.0V
4.5V
Interface Signals with Segment Driver LSI
PARAMETER SYMBOL MIN. MAX. UNIT
Power Supply
Rise Time
Power Supply
OFF Time
t RON 0.1 10 ms
t OFF 1.0 ms
VDD
0.2V 0.2V 0.2V
tRON
tOFF
Note (3): TOFF stipulates the time of power OFF for instantaneous power supply to or when power suplly repeats
ON and OFF.
digital electronic gmbh Tel. +49 (0) 8221/708-0 Fax. +49 (0) 8221/708-80
All specifications subject to change without notice.
61