ST6255CB1 datasheet(68/86 Pages) STMICROELECTRONICS

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ST62T55C ST62T65C/E65C

DC ELECTRICAL CHARACTERISTICS (Cont’d)

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

Note:

(*) All Peripherals in stand-by.

6.4 AC ELECTRICAL CHARACTERISTICS

(TA = -40 to +125°C unless otherwise specified)

Notes:

1. Period for which VDD has to be connected at 0V to allow internal Reset function at next power-up.

2 An oscillator frequency above 1MHz is recommended for reliable A/D results.

3. Measure performed with OSCin pin soldered on PCB, with an around 2pF equivalent capacitance.

Symbol

Parameter

Test Conditions

Value

Unit

Min.

Typ.

Max.

Vup

LVD Threshold in power-on

Vdn +50 mV

4.1

4.3

Vdn

LVD threshold in powerdown

3.6

3.8

Vup -50 mV

VOL

Low Level Output Voltage

All Output pins

VDD= 5.0V; IOL = +10µA

VDD= 5.0V; IOL = + 5mA

VDD= 5.0V; IOL = + 10mAv

0.1

0.8

1.2

Low Level Output Voltage

30 mA Sink I/O pins

VDD= 5.0V; IOL = +10µA

VDD= 5.0V; IOL = +10mA

VDD= 5.0V; IOL = +20mA

VDD= 5.0V; IOL = +30mA

0.1

0.8

1.3

2.0

VOH

High Level Output Voltage

All Output pins

VDD= 5.0V; IOH = -10µA

VDD= 5.0V; IOH = -5.0mA

4.9

3.5

IDD

Supply Current in STOP

Mode, with LVD disabled(*)

ILOAD=0mA

VDD=5.0V

µA

Symbol

Parameter

Test Conditions

Value

Unit

Min.

Typ.

Max.

tREC

Supply Recovery Time (1)

100

TWEE

EEPROM Write Time

TA =25°C

A =85°C

TA =125°C

Endurance

(2)

EEPROM WRITE/ERASE Cycle

QA LOT Acceptance (25°C)

300,000 1 million

cycles

Retention

EEPROM Data Retention

A =55°C

years

fLFAO

Internal frequency with LFAO active

200

400

800

kHz

fOSG

Internal Frequency with OSG

enabled2)

VDD =3V

VDD = 3.6V

VDD = 4.5V

VDD =6V

fOSC

MHz

fRC

Internal frequency with RC oscilla-

tor and OSG disabled2) 3)

VDD=5.0V (Except 626xB ROM)

R=47k

Ω

R=100k

Ω

R=470k

Ω

2.7

800

3.2

850

5.8

3.5

900

MHz

kHz

VDD=5.0V (626xB ROM)

R=10k

Ω

R=27k

Ω

R=100k

Ω

2.4

1.8

800

3.1

2.2

980

3.8

2.5

1200

MHz

kHz

CIN

Input Capacitance

All Inputs Pins

COUT

Output Capacitance

All Outputs Pins

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