AD8156ABCZ datasheet(4/20 Pages) AD

4 / 20 page

AD8156

Rev. 0 | Page 4 of 20

TIMING SPECIFICATIONS

VTTI = VTTO = VCC = 3.3 V, VEE = 0 V, RL = 50 Ω, differential output swing = 800 mV, ac-coupled, data rate = 6.25 Gbps, PRBS 223 − 1,

VIN = 1 V p-p differential, TA = 25°C, unless otherwise noted.

Table 2.

Parameter

Symbol

Min

Typ

Max

Unit

FIRST RANK WRITE CYCLE

CS to WE Setup Time

tCSW

Address Setup Time

tASW

Data Setup Time

tDSW

WE to CS Hold Time

tCHW

Address Hold Time

tAHW

Data Hold Time

tDHW

WE Pulse Width

tWP

SECOND RANK UPDATE CYCLE

CS to UPD Setup Time

tCSU

UPD to CS Hold Time

tCHU

Output Enable

tUOE

Output Switch

tUOT

Output Disable

tUOD

UPD Pulse Width

tUW

TRANSPARENT WRITE AND UPDATE CYCLE

Output Enable

tWOE

Output Toggle

tWOT

Output Disable

tWOD

SECOND RANK READBACK CYCLE

CS to RE Setup Time

tCSR

RE to CS Hold Time

tCHR

ADDR from RE

tRHA

DATA from RE

tRDE

Access Time

tAA

RE to Read Disable

tRDD

ASYNCHRONOUS RESET

Output Disable

tTOD

RST Pulse Width

tTW

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