ST6285BQ1(1999) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST6285BQ1
(Rev.:1999)

8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER

STMicroelectronics 

ST62T85B/E85B

6.6 TIMER CHARACTERISTICS

(TA = -40 to +85°C unless otherwise specified)

Symbol

Parameter

Value

Test Conditions

Unit

Min.

Typ. Max.

fIN

Input Frequency on TIMER Pin*

tW

Pulse Width at TIMER Pin*

VDD = 3.0V

1

VDD >4.5V

125

f--I--N----T- MHz

8

µs

ns

Note*: When available.

6.7 SPI CHARACTERISTICS

(TA = -40 to +85°C unless otherwise specified)

Symbol

Parameter

FCL

Clock Frequency

tSU

Set-up Time

th

Hold Time

Test Condi tions

Applied on Scl

Applied on Sin

Applied onSin

Value

Min. Typ.

50

100

Max.

1

Unit

MHz

ns

ns

6.8 LCD ELECTRICAL CHARACTERISTICS

(TA = -40 to +85°C unless otherwise specified)

Symbol

Vos

VOH

VOL

VLCD

Parameter

DC Offset Voltage

COM High Level, Output Voltage

SEG High Level, Output Voltage

COM Low Level, Output Voltage

SEG Low Level, Output Voltage

Display Voltage

Test Conditio ns

VLCD = Vdd, no load

I=100µA, VLCD=5V

I=50µA, VLCD=5V

I=100µA, VLCD=5V

I=50µA, VLCD=5V

See Note 2

Min.

Value

Typ.

4.5

VDD -0.2

Max.

50

0.5

10

Unit

mV

V

Notes:

1. The DC offset refers to all segment and common outputs. It is the difference between the measured voltage value and nominal value for

every voltage level.

2. An external resistor network is required when VLCD is lower then 4.5V.

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