SED1670

1

PF836-02

Dot Matrix High Duty LCD Driver

SED1670

s OVERVIEW

The SED1670 is a 100 output low-power resistance common (row) driver which is suitable for driving a very high

capacity dotmatrix LCD panels upto a duty ratio of 1/300. It is intended to be used in conjunction with the SED1640D

or SED1606D as a pair.

Since the SED1670 is so designed to drive LCDs over a wide range of voltages, and also the maximum potential

generated optionally with a high accuracy, it can cope with a wide range of LCD panels.

Owing to its pad layout which can minimize its PC boards mounting space in addition to its selectable bidirectional

driver output sequence and as many as 100 LCD output segments of high pressure resistance and low output

impedance, it is possible to obtain the highest driver working efficiency for the 1/200 duty panel.

And the SED1670 can display 65 x 132 panel when used as a common driver of RAM buit-in driver, SED1531.

s FEATURES

q Number of LCD drive output segments: 100

q Common output ON resistance: 700

Ω (Typ.)

q Display duty ratio: 1/64 to 1/300 (Reference)

q Display capacity: Possible to display 640 x 480 dots when used in combination with SED 1640D or SED1606D.

q Selectable pin output shift direction

q No-bias display OFF function (*1*)

q Instantaneous display blanking enabled by inhibit function (*0*)

q Wide range of LCD drive voltages: –7 V to –28 V (Absolute maximum rated voltage: –30 V)

q Logic system power supply: –2.7 V to –5.5 V

q Chip packaging

* Under Planning

* Under Planning

q No radial rays countermeasure taken in designing

q 100 Output

q 1/64 to 1/300 in display duty

q CMOS High Voltage Resistant Process