ST6246 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST6246

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

STMicroelectronics 

ST62T46B/E46B

6.6 TIMER CHARACTERISTICS

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

Symbol

Parameter

Value

Test Condi tions

Unit

Min .

Typ. Max.

fIN

Input Frequency on TIMER Pin*

tW

Pulse Width at TIMER Pin*

VDD = 3.0V

1

VDD >4.5V

125

MHz

µs

ns

Note*: When available.

6.7 SPI CHARACTERISTICS

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

Symbol

Parameter

Test Conditions

FCL

Clock Frequency

tSU

Set-up Time

th

Hold Time

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

Parameter

Test Conditions

Min.

Value

Typ.

Max.

Unit

Vos

VOH

VOL

VLCD

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

VLCD = Vdd, no load

I=100µA, VLCD=5V

I=50µA, VLCD=5V

I=100µA, VLCD=5V

I=50µA, VLCD=5V

See Note 2

4.5

VDD -0.2

50

mV

0.5

V

10

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.

6.9 PSS ELECTRICAL CHARACTERISTICS (When available)

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

Symbol

Parameter

Test Conditions

Min.

Value

Typ.

Max.

Unit

VPSS

IPSS

PSS pin Input Voltage

PSS pin Input Current

Vss

VPSS=5.0V, TA= 25°C

PSS Running

PSS Stopped

VDD

V

350

µA

1

65/72

401

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