40 Electrical Characteristics

41 ABSOLUTE MAXIMUM RATINGS

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Storage Temperature

b

TTL Signals

Inputs

b

Outputs

b

ECL Signals

Output Current

b

50 mA

Supplies

b

b

b

ESD Protection

1500V

42 RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Min

Typ

Max

Units

Power Supply

475

50

525

V

High Level Input Voltage

TTL

20

V

ECL

Low Level Input Voltage

TTL

08

V

ECL

High Level

TTL Outputs

b

04

mA

Output Current

(Note 1)

Low Level

TTL Outputs

80

mA

Output Current

(Note 1)

VCO Frequency (INT or EXT)

250

MHz

Reference Input Frequency

125

MHz

Operating Temperature

0

25

70

C

Note 1

TTL outputs include LBC1 LBC2 LBC3 LBC4 LBC5 and LSC

43 DC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Conditions

Min

Max

Units

Input Clamp Voltage

b

15

V

High Level

Output Voltage

ECL Outputs

mV

Low Level

05

V

Output Voltage

ECL Outputs

mV

Max High Level

100

m

A

Input Current

High Level

b

20

20

m

A

Input Current

Low Level

b

20

20

m

A

Input Current

Charge Pump Current

Source

b

07

a

07

mA

Sink

02

07

mA

TRI-STATE

b

250

250

nA

Supply Current

170

mA

Includes 60 mA due to external ECL termination of two differential signals

For 100k ECL output buffers output levels are specified as

50X resistor is thus

I

e

0015 Amps

e

15 mA

There are 2 pairs of differential ECL signals so the total ECL current is 60 mA

7