9

4955D–AUTO–10/08

ATA6839 [Preliminary]

7.

Electrical Characteristics

7.5V < V

pins.

No.

Parameters

Test Conditions

Pin

Symbol

Min.

Typ.

Max.

Unit

Type*

1

Current Consumption

1.1

Total quiescent current

(V

V

V

V

Output pins to VS and

GND

3, 4

20

µA

A

1.2

Quiescent current (VCC)

4.75V < V

INH or bit SI = low

14

40

µA

A

1.3

Supply current (VS)

V

operation, all output

stages off

3, 4

0.8

1.2

mA

A

1.4

Supply current (VS)

V

operation, all output low

stages on, no load

3, 4

I

VS

10

mA

A

1.5

Supply current (VS)

operation, all output

high stages on, no load

3, 4

I

VS

16

mA

A

1.6

Supply current (VCC)

4.75V < V

normal operation

14

I

VCC

200

µA

A

2

Internal Oscillator Frequency

2.1

Frequency (time base for

delay timers)

19

45

kHz

A

3

Undervoltage Detection, Power-on Reset

3.1

Power-on reset threshold

14

V

VCC

2.3

2.7

3.0

V

A

3.2

Power-on reset delay time After switching on V

VCC

t

dPor

20

95

180

µs

A

3.3

Undervoltage detection

threshold

14

5.5

7.0

V

A

3.4

Undervoltage detection

hysteresis

14

ΔV

UV

0.4

V

A

3.5

Undervoltage detection

delay

721

ms

A

4

Thermal Prewarning and Shutdown

4.1

Thermal prewarning

T

jPWset

170

195

220

°C

B

4.2

Thermal prewarning

T

jPWreset

155

180

205

°C

B

4.3

Thermal prewarning

hysteresis

15

K

B

4.4

Thermal shutdown

200

225

250

°C

B

4.5

Thermal shutdown

185

210

235

°C

B

4.6

Thermal shutdown

hysteresis

T

j switch off

15

K

B

*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter

Notes:

1. Delay time between rising edge of input signal at pin CS after data transmission and switch on/off output stages to 90% of

final level. Device not in standby for t > 1 ms.