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RCM1990U-A Datasheet(PDF) 3 Page - Rohm

Part # RCM1990U-A
Description  16 X 16 dots large-sized liquid crystal display unit
Download  9 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

RCM1990U-A Datasheet(HTML) 3 Page - Rohm

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RCM1990U-A
Liquid crystal displays
3/8
Absolute maximum ratings
(Ta
=25°C)
Input voltage
Operating temperature
Storage temperature
Limits
−0.3 to +7.0
−0.3 to +7.0
−0.3 to VDD+0.3
0 to
+50
−10 to +60
Symbol
VDD
VDD-VEE
VIN
Topr
Tstg
Unit
V
V
V
°C
°C
Logic circuit
LCD drive
Power supply
voltage
Parameter
Electrical characteristics
(Ta
=25°C, VDD=5.0V±0.25V)
High level input voltage
Low level input voltage
High level output voltage
Low level output voltage
Recommended LCD drive voltage
Current dissipation
Parameter
IOH
=−0.4mA
IOH
=+0.4mA
Ta
=25°C
fCL
=1MHz, fM=70Hz
Conditions
Unit
V
V
V
V
V
mA
Max.
−
1.5
−
0.4
−
3.0
Typ.
−
−
−
−
5.0
1.0
Min.
3.5
−
4.6
−
−
−
VIH
VIL
VOH
VOL
VLCD
IDD
Symbol
AC characteristics
(Ta
=25°C, VDD=5.0)
Shift frequency
High level lock width
Low level lock width
Data setup time
Clock setup time 1
Clock setup time 2
Data hold time
FLM setup time
FLM hold time
Clock rise / fall time
Output delay time
AC conversion signal
Parameter
fCL
tCWH
tCWL
tSU
tSL
tLS
tDH
tFDS
tFDH
tct
tpd
fM
Symbol
CL2
CL1, CL2
CL2
DI
CL2
CL1
DI
FLM
FLM
CL1, CL2
DO
M
−
470
470
120
220
220
120
120
120
−
−
−
Min.
−
−
−
−
−
−
−
−
−
−
−
70
Typ.
1
−
−
−
−
−
−
−
−
50
250
−
Max.
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Hz
Unit
Applicable terminal


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