U6239B

TELEFUNKEN Semiconductors

Rev. A3, 28-May-97

4 (15)

Operating Range

All voltages are referred to GND (Pin 15)

Parameters

Test Conditions / Pins

Symbol

Min.

Typ.

Max.

Unit

Supply voltage

Pin 12

4.5

5

5.5

V

Ambient temperature

–20

85

°C

Input frequency

Pins 13 and 14

RFi

250

2900

MHz

Programmable divider

SF

256

32767

Programmable divider

3-wire bus mode

SF

256

16383

Thermal Resistance

Parameters

Test Conditions / Pins

Symbol

Min.

Typ.

Max.

Unit

Junction ambient

Package SO16 soldered to PCB

110

K/W

Electrical Characteristics

Parameters

Test Conditions / Pins

Symbol

Min.

Typ.

Max.

Unit

Supply current (prescaler on)

Ports off

Pin 12

ICC

23

mA

Input sensitivity

Pin 13

100

300

Pin 13

20

300

Crystal oscillator

Recommended crystal series

resistance

10

200

W

Crystal oscillator drive level

Pin 2

50

Crystal oscillator source

impedance

Nominal spread

" 15%

Pin 2

–650

W

External reference input

frequency

AC coupled sinewave

Pin 2

2

8

MHz

External reference input

amplitude

AC coupled sinewave

Pin2

70

200

Port P0 at Pin 11.

Port P3 at Pin 10, is only usable with AMS = ‘L’ (= 3 address mode).

P0, P3 Sink current

VH = 12 V,

Pins 10 and 11

ISL

0.7

1

1.5

mA

Leakage current

VH = 13.2 V

IL

10

mA

Port outputs, Lock output (open collector, locked = ‘L’. Ports P4 – P7 at Pins 6–9)

Lock output at Pin 11, only in 3-wire bus mode.

Saturation voltage

IL = 10 mA

0.5

V

Leakage current

VH = 13.2 V

IL

10

mA

Port inputs (Ports 4, 5 and 7 at Pins 6, 8 and 9)

Input voltage high

Vi ‘H’

2.7

V

Input voltage low

Vi ‘L’

0.8

V

Input current high

Vi ‘H’ = 13.2 V

Ii ‘H’

10

mA

Input current low

Vi ‘L’ = 0 V

Ii ‘L’

–10

mA