RCM1277U-A 查看數據表（PDF） - ROHM Semiconductor
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RCM1277U-A Datasheet PDF : 7 Pages
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Liquid crystal displays
RCM1277U-A
!Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limics
Unit
Logic power supply voltage
VDD
−0.3~+7.0
V
LCD drive voltage
VDD-VO
−0.3~+7.0
V
Input voltage
VIN
−0.3~VDD+0.3
V
Operating temperature
Topr
0~+50
°C
Storage temperature
Tstg
−10~+60
°C
!Electrical characteristics (VDD = 5.0V ± 0.25V, Ta = 25°C)
Parameter
Symbol
Min.
Typ.
Max.
Input high level voltage
VIH
3.5
-
-
Input low level voltage
VIL
-
-
1.5
Output high level voltage
VOH
4.6
-
-
Output low level voltage
VOL
-
-
0.4
Power supply current
IDD
-
-
6.0
Unit
Conditions
V
V
V
−IOH = −0.4mA
V
IOL = +0.4mA
mA fCL = 1MHz, fM = 70Hz
!AC characteristics (VDD = 5.0V ± GND = 0V, Ta = 25°C)
Parameter
Symbol
Applicable terminal
Shift frequency
fCL
High level lock width
tCWH
Low level lock width
tCWL
Data setup time
tSU
Clock setup time 1
tSL
Clock setup time 2
tLS
Data hold time
tDH
Clock rise / fall time
tct
FLM setup time
tFDS
FLM hold time
tFDH
Output delay time
tpd
AC conversion signal
fM
CL2
CL1, CL2
CL2
DI
CL2
CL1
DI
CL1, CL2
FLM
FLM
DO
M
Min. Typ. Max. Unit
-
-
1 MHz
470 -
-
ns
470 -
-
ns
120 -
-
ns
220 -
-
ns
220
-
-
ns
120
-
-
ns
-
-
50
ns
120
-
-
ns
120
-
-
ns
-
- 250 ns
-
70
-
Hz
!Timing characteristics
VIH
CL2 VIL
tCWL
VIH
tct
tCWH
tct
tDH
VIH
tSU
tSL
DI
VIL
tpd
DO
VOH
VOL
CL1
FLM
VIH
ViL
tct
VIH
tCWH
tFDS
Fig.1
tLS
tct
tFDH
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