78P2253-IGT Просмотр технического описания (PDF) - TDK Corporation

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78P2253-IGT

E4/STM-1/STS-3/OC-3 Transceiver

TDK Corporation 

78P2253

E4/STM-1/STS-3/OC-3

Transceiver

ELECTRICAL SPECIFICATIONS (continued)

DIGITAL OUTPUT CHARACTERISTICS

Pins of type CO

PARAMETER

Output Voltage Low

SYMBOL

Vol

Output Voltage High

Voh

CONDITIONS

Iol = 2mA

Ioh = -2mA

Transition Time

Tt

Pins of type PO

PARAMETER

Output Voltage Low

Output Voltage High

Rise Time

Fall Time

SYMBOL

Vol

Voh

Tr

Tf

CONDITIONS

Relative to Vcc

Relative to Vcc

DIGITAL TIMING CHARACTERISTICS:

Reference Clock Interface

MIN

NOM

MAX

UNIT

0.6

V

Vcc –

V

0.6

3.5

ns

MIN

NOM

MAX

UNIT

-1.8

-1.6

V

-1.1

-0.8

V

1

ns

1

ns

CKIN

TXCK

TCK

PARAMETER

CKIN to TXCK Propagation

Delay

SYMBOL

TC K

CONDITIONS

MIN

NOM MAX

UNIT

20

ns

7

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