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LC75852 Datasheet

  • LC75852

  • Sanyo Semicon Device [Asynchronous Silicon Gate 1/2 Duty LC...

  • SANYO

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Ordering number : EN4828A
CMOS LSI
LC75852E, 75852W
Asynchronous Silicon Gate 1/2 Duty LCD Driver
with On-Chip Key Input Function
Overview
The LC75852E and LC75852W are 1/2 duty dynamic
LCD display drivers. In addition to being able to directly
drive LCD panels with up to 90 segments, they can also
control up to four general-purpose output ports. These
products also include a key scan circuit which allows
them to accept input from keypads with up to 30 keys.
This allows end product front panel wiring to be
simplified.
Package Dimensions
unit: mm
3159-QFP64E
[LC75852E]
Features
鈥?Up to 30 key inputs (Key scan is only performed when a
key is pressed.)
鈥?1/2 duty 鈥?1/2 bias (up to 90 segments)
鈥?Sleep mode and the all segments off function can be
controlled from serial data.
鈥?Segment output port/general-purpose output port usage
can be controlled from serial data.
鈥?Serial data I/O supports CCB format communication
with the system controller.
鈥?High generality since display data is displayed directly
without decoder intervention
鈥?Reset pin that can establish the initial state.
SANYO: QIP64E
unit: mm
3190-SQFP64
[LC75852W]
鈥?CCB is a trademark of SANYO ELECTRIC CO., LTD.
鈥?CCB is SANYO鈥檚 original bus format and all the bus
addresses are controlled by SANYO.
Specifications
Absolute Maximum Ratings
at Ta = 25擄C, V
SS
= 0 V
Parameter
Maximum supply voltage
Input voltage
Output voltage
Symbol
V
DD
max
V
IN
V
OUT
I
OUT
1
Output current
I
OUT
2
I
OUT
3
Allowable power dissipation
Operating temperature
Storage temperature
Pd max
Topr
Tstg
V
DD
OSC, CE, CL, DI, RES, KI1 to KI5
OSC, DO, S1 to S45, COM1, COM2, KS1 to KS6, P1 to P4
S1 to S45
COM1, COM2, KS1 to KS6
P1 to P4
Ta = 85擄C
Conditions
SANYO: SQFP64
Ratings
鈥?.3 to +7.0
鈥?.3 to V
DD
+ 0.3
鈥?.3 to V
DD
+ 0.3
100
1
5
200
鈥?0 to +85
鈥?5 to +125
Unit
V
V
V
碌A
mA
mA
mW
擄C
擄C
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
63096HA (OT)/N1594TH (OT) B8-1326, 1328 No. 4828-1/16

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