W9725G6JB-25 Winbond Electronics, W9725G6JB-25 Datasheet - Page 57

• Manufacturer Part Number: W9725G6JB-25
• Description: IC DDR2-800 SDRAM 256MB 84WBGA
• Manufacturer: Winbond Electronics

Specifications of W9725G6JB-25

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 256M (16Mx16)
• Speed: 2.5ns
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 84-WBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Setup Slew Rate
V
V
V
V
Falling Signal =
IL(dc)
IL(ac)
IH(ac)
IH(dc)
V
REF(dc)
V
CLK
CLK
max
max
min
min
V
DDQ
SS
nominal
line
V
REF
region
to AC
tangent line[V
Figure 21 —Illustration of tangent line for t
Δ
TF
t
IS
Δ
tangent
TF
Setup Slew Rate
REF(dc)
line
Rising Signal =
t
IH
- 57 -
- V
IL(ac)max
nominal
line
]
Δ
TR
tangent line[V
Publication Release Date: Mar. 10, 2010
t
IS
tangent
line
Δ
TR
IS
IH(ac)min
t
W9725G6JB
IH
V
REF
region
- V
to AC
REF(dc)
Revision A01
]