CY7B952

Document Number: 38-02018 Rev. *E

Page 7 of 16

Maximum Ratings

Exceeding maximum ratings [1] may shorten the useful life of the

device. These user guidelines are not tested.

Storage Temperature

65 C to +150 C

Ambient Temperature with

Power Applied

55 C to +125 C

Supply Voltage to Ground Potential

 0.5 V to +7.0 V

DC Input Voltage

 0.5 V to +7.0 V

Output Current into TTL Outputs (LOW) .................... 30 mA

Output Current into ECL Outputs (HIGH)

50 mA

Static Discharge Voltage

(per MIL-STD-883, Method 3015) ........................... >2001 V

Latch-up Current ..................................................... >200 mA

Operating Range

Range

Ambient Temperature [2]

Commercial

0

C to +70 C5 V  10%

Electrical Characteristics

Over the Operating Range

Parameter

Description

Test Condition

Min

Max

Unit

TTL-compatible Input Pins (LOOP, REFCLK+, REFCLK–)

Input HIGH Voltage

2.0

V

Input LOW Voltage

0.5

0.8

V

Input HIGH Current

REFCLK

+0.5

+200

A

Input HIGH Current

LOOP

10

+10

A

Input LOW Current

REFCLK

50

+50

A

Input LOW Current

LOOP

500

–

A

TTL Compatible Output Pins (LFI)

Output HIGH Voltage

2.4

–

V

Output LOW Voltage

–

0.45

V

Output Short Circuit Current

15

90

mA

ECL Compatible Input Pins (REFCLK

, CD, TSER, RIN)

ECL Input HIGH Current

REFCLK/CD

–

+250

A

TSER/RIN

–

+750

A

ECL Input LOW Current

REFCLK/CD

+0.5

–

A

TSER/RIN

200

–

A

Input Differential Voltage

TSER/RIN

50

1200

mV

REFCLK

100

1200

mV

Input High Voltage

TSER/RIN

–

V

REFCLK

3.0

V

CD

V

Input LOW Voltage

TSER/RIN

2.0

–

V

REFCLK

2.5

–

V

CD (ECL)

2.5

V

CD (Disable)

0.5

0.8

V

Notes

1. Single Power Supply: The voltage on any input or I/O pin cannot exceed the power pin during power-up.

3. Tested one output at a time, output shorted for less than one second, less than 10% duty cycle.

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