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 TIMING CHARACTERISTICS

Transmit Interface

TXCKP -

TXCKN

TXDTP -

TXDTN

TSUs THs

PARAMETER

Transmit Setup Time

Transmit Hold Time

TXCKP,N Duty Cycle

SYMBOL

TSUs

THs

CONDITIONS

Serial Mode

Serial Mode

MIN

NOM MAX

UNIT

1.0

ns

-0.5

ns

40

60

%

TXCK

TXDT[7:0]

TSUp THp

PARAMETER

Transmit Setup Time

Transmit Hold Time

TXCK Duty Cycle

SYMBOL

TSUp

TH p

CONDITIONS

Parallel Mode

Parallel Mode

MIN

NOM MAX

UNIT

2.5

ns

0.1

ns

40

60

%

8

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