Altec GSM SOCKET AL7020S User Manual

Page 13

Advertising
background image

AL7020S, AL7024S Designer’s Guide

Doc. No. DG_7024E

Altec Electronic AG

Seite 13 / 32

Table 3-5. Digital Electrical Characteristics


Parameter

Symbol

Min.

Typ.

Max.

Units

Test Conditions

Input High Voltage

pins 33,35,40

V

IH

2

-

5.5

Vdc

Input Low Voltage

pins 33,35,40

V

IL

0

-

0.8

Vdc

Output High

Voltage

pins 34,36,37,38

V

OH

VCC-0.1V

3.8V

@VCC=4.5V

VCC

4.2

-

-

Vdc


ILOAD= -20 uA

ILOAD = -4 mA

Output High

Voltage

VCC=4.5V

pin 39

V

OH


VCC-0.1

3.8V


VCC

-


-

-



ILOAD= -50 uA

ILOAD = -8 mA

Output Low

Voltage

pins 34,36,37,38

V

OL

-
-

0
0

0.1

0.33

Vdc


ILOAD = 20 uA
ILOAD = 4.8 mA

Output Low

Voltage

VCC=4.5V

pin 39

V

OL


-
-

-
-


0.1

0.44

Vdc



ILOAD = 50 uA
ILOAD = 8 mA

max Reset Low

Input Voltage

pin 24

V

IL

-

-

0.8

internally pulled

up to VCC by

10kΩ


Parameter Conditions

Min

Typ

Max Unit

SIMDATA V

IH

I

IH

= ± 20µA

0.7xSIMVCC

V

SIMDATA V

IL

I

IL

= 1 mA

0.3xSIMVCC

V

SIMRST
SIMDATA
SIMCLK V

OH

Source

current

= 20µA

SIMVCC –

0.1V

V

SIMRST
SIMDATA
SIMCLK V

OL

Sink current

= -200µA

0.1 V

SIMVCC*
Output Voltage

I

SIMVCC

< =

6mA

2.70 2.80

2.85 V

SIMCLK
Rise / Fall Time

Loaded with

30pF

50 ns

SIMRST
SIMDATA
Rise / Fall Time

Loaded with

30pF

1 µs

SIMCLK
Frequency

Loaded with

30pF

3.25 MHz

Advertising
This manual is related to the following products: