AM7945JC datasheet(9/18 Pages) AMD

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RELAY DRIVER SCHEMATIC

SWITCHING CHARACTERISTICS

(32-Pin PLCC only)

Relay Driver Output (RINGOUT)

On voltage

35 mA sink

+0.25

+0.4

Off leakage

VOH = +5 V

100

µA

Zener breakover

100 µA

7.2

Zener On voltage

30 mA

Symbol

Parameter

Test Conditions

Temperature

Ranges

Min

Typ

Max

Unit

Note

tgkde

E1 Low to DET High (E0 = 1)

E1 Low to DET Low (E0 = 1)

Ground-Key Detect state

RL open, RG connected

(See Figure H)

°C to +70°C

–40

°C to +85°C

°C to +70°C

–40

°C to +85°C

3.8

4.0

1.1

1.6

µs4

tgkdd

E0 High to DET Low (E1 = 0)

°C to +70°C

–40

°C to +85°C

1.1

1.6

tgkd0

E0 Low to DET High (E1 = 0)

°C to +70°C

–40

°C to +85°C

3.8

4.0

tshde

E1 High to DET Low (E0 = 1)

E1 High to DET High (E0 = 1)

Switchhook Detect state

RL =600 Ω, RG open

(See Figure G)

°C to +70°C

–40

°C to +85°C

°C to +70°C

–40

°C to +85°C

1.2

1.7

3.8

4.0

tshdd

E0 High to DET Low (E1 = 1)

°C to +70°C

–40

°C to +85°C

1.1

1.6

tshd0

E0 Low to DET High (E1 = 1)

°C to +70°C

–40

°C to +85°C

3.8

4.0

ELECTRICAL CHARACTERISTICS (continued)

Description

Test Conditions (See Note 1)

Min

Typ

Max

Unit

Note

BGND

RINGOUT

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