W9425G6EH-5 Winbond Electronics, W9425G6EH-5 Datasheet - Page 30

• Manufacturer Part Number: W9425G6EH-5
• Description: IC DDR-400 SDRAM 256MB 66TSSOPII
• Manufacturer: Winbond Electronics

Specifications of W9425G6EH-5

• Format - Memory: RAM
• Memory Type: DDR SDRAM
• Memory Size: 256M (16Mx16)
• Speed: 250MHz
• Interface: Parallel
• Voltage - Supply: 2.3 V ~ 2.7 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 66-TSOPII
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(16) t
(17) A maximum of eight AUTO REFRESH commands can be posted to any given DDR SDRAM device.
(18) t
(19) For command/address input slew rate ≥1.0 V/nS.
(20) For command/address input slew rate ≥0.5 V/nS and <1.0 V/nS.
(21) For CLK & CLK slew rate ≥1.0 V/nS (single--ended).
(22) These parameters guarantee device timing, but they are not necessarily tested on each device. They may be
(23) Slew Rate is measured between V
guaranteed by device design or tester correlation.
AC
DAL
0 V Differential
and t
= (t
WR
DQSCK
V
/t
ID(AC)
CLK
CLK
V
CK
V
V
ISO
SS
SS
) + (t
depend on the clock jitter. These timing are measured at stable clock.
V
ICK
RP
V
/t
X
CK
)
V
ISO(min)
OH
V
(ac) and V
V
ICK
X
OL
(ac).
- 30 -
V
X
V
ISO(max)
V
ICK
Publication Release Date:Dec. 03, 2008
V
X
V
ICK
W9425G6EH
V
X
V
ID(AC)
Revision A08