ST7282A5 - ST7282B5 - ROM FROM EPROM

Family

Issuer Ref.

Chrono

March 26, 1997

Previous Ref

Edition

ST7

PG-RO

97115

7282A5B5

Target C

Page 5/23

1)Operation below 30 KHz Mis possible but requires increased supply current

2)Time to build up the oscillation amplitude to 90% V

DD

3)Pull-up resistor

4)WD not active

5)WD generating a reset

6)Period for which V

up

7)pull up off

I/O PORTS:

Input leakage current

Input voltage high

Input voltage low

Output voltage high

(PA,PB,PC)

Output voltage high

(PD, PE, PF, PG, PH)

Output voltage low

(PA, PB, PC, PD, PE, PF, PG,

PH)

Output voltage slope

Output current slope

Noise amplitude

Pullup Resistor Current

leading edge

trailing edge

20MHz-250MHz

-

-

-

3.0

4.1

3.0

4.1

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

0.25

2.5

100

-

50

10

10

-

-

-

-

-

1.0

0.4

-

-

-

-

-

µA

µA

V

V

V

V

V

V

V

V

V/ns

mA/ns

µV

-

µA

ADC:

Resolution

Total Error

Conversion time

Input capacitance

Analog source impedance

Osc. frequency range

8)

8)

-

-

34

-

-

8.55

-

+2

35

5

30

-

bit

LSB

µs

pF

K

Ω

MHz

LCD DRIVER:

Frame frequency

COM output voltage high

COM output voltage low

SEG output voltage high

SEG output voltage low

I=50

µA

I=50

µA

I=25

µA

I=25

µA

-

-

-

-

-

-

132

50

-

0.5

-

0.5

Hz

mV

V

V

V

V

EEPROM:

Write time

-10

ms

PARAMETER

SYMBOL

CONDITION

MIN

TYP

MAX

UNIT