Rainbow Electronics BF128128A User Manual

BO LYM I N

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4

4

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BF128128A

Feature

1. FSTN Transflective LCD, COF package

2. Built-in driver HD66750

3. 1/128 duty cycle

4. +3V single power supply

5. Option: temperature compensation

Mechanical Data
Item

LCD Dimension

Viewing Area
Dot Size

Dot Pitch

Standard Value Unit

36.3 x 38.9

30.5 x 32.0

0.199 x 0.219

0.213 x 0.233

mm
mm
mm
mm

Pin Assignment

Pin Symbol Function

1
2
3
4

5
6

7
8

9
10
11

NC

DB7-0
RES
CS

A0

WR
RD
Vss
Vdd
ID
NC

Dimension

No connection
Data bus line
Reset signal
Chip select

Register select
(H: control L:index/status)

For 80 series
For 80 series
Power supply(GND)
Power supply(+3V)
Pull down to Vss
No connec

0.6

6.0Max

4-R10

Electronic Characteristics

Item Symbol Condition

Input Voltage
Supply Current
LCD Driving
Voltage

0.

1(A.A)

Vdd

Idd

Vlcd-Vss

0.19

Vdd = +3V
Vdd = +3V

o

25 C

Typical

Value

3.0

0.2

10.5

Unit

V

mA

V

nt

Area

2

R/C

V

A Block