Datasheet

AD8156
Rev. 0 | Page 4 of 20
TIMING SPECIFICATIONS
V
TTI
= V
TTO
= V
CC
= 3.3 V, V
EE
= 0 V, R
L
= 50 Ω, differential output swing = 800 mV, ac-coupled, data rate = 6.25 Gbps, PRBS 2
23
− 1,
V
IN
= 1 V p-p differential, T
A
= 25°C, unless otherwise noted.
Table 2.
Parameter Symbol Min Typ Max Unit
FIRST RANK WRITE CYCLE
CS to WE Setup Time
t
CSW
0 ns
Address Setup Time t
ASW
0 ns
Data Setup Time t
DSW
1 ns
WE to CS Hold Time
t
CHW
0 ns
Address Hold Time t
AHW
0 ns
Data Hold Time t
DHW
0 ns
WE Pulse Width
t
WP
10 ns
SECOND RANK UPDATE CYCLE
CS to UPD Setup Time
t
CSU
0 ns
UPD to CS Hold Time
t
CHU
0 ns
Output Enable t
UOE
20 ns
Output Switch t
UOT
10 ns
Output Disable t
UOD
20 ns
UPD Pulse Width
t
UW
10 ns
TRANSPARENT WRITE AND UPDATE CYCLE
Output Enable t
WOE
35 50 ns
Output Toggle t
WOT
25 45 ns
Output Disable t
WOD
25 45 ns
SECOND RANK READBACK CYCLE
CS to RE Setup Time
t
CSR
0 ns
RE to CS Hold Time
t
CHR
0 ns
ADDR from RE
t
RHA
5 ns
DATA from RE
t
RDE
15 ns
Access Time t
AA
15 30 ns
RE to Read Disable
t
RDD
50 ns
ASYNCHRONOUS RESET
Output Disable t
TOD
10 25 ns
RST Pulse Width
t
TW
10 ns