W9751G6IB-25 Winbond Electronics, W9751G6IB-25 Datasheet - Page 38

• Manufacturer Part Number: W9751G6IB-25
• Description: IC DDR2-800 SDRAM 512MB 84-WBGA
• Manufacturer: Winbond Electronics

Specifications of W9751G6IB-25

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 512M (32Mx16)
• 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

9.4
(0 ℃ ≤ T
Rtt effective impedance value for EMRS(A6,A2)=0,1; 75 Ω
Rtt effective impedance value for EMRS(A6,A2)=1,0; 150 Ω
Rtt effective impedance value for EMRS(A6,A2)=1,1; 50 Ω
Deviation of V
Notes:
1. Test condition for Rtt measurements.
2. Optional for DDR2-667, mandatory for DDR2-800.
Measurement Definition for Rtt(eff):
Apply V
respectively. V
Measurement Definition for ΔV
Measure voltage (V
9.5
(0 ℃ ≤ T
DC input logic HIGH
DC input logic LOW
9.6
AC input logic HIGH
AC input logic LOW
Note:
1. Refer to the page 66 sections 9.14.1 and 9.14.2 AC Overshoot/Undershoot specification table for V
(0 ℃ ≤ T
peak amplitude allowed for Overshoot/Undershoot.
PARAMETER
PARAMETER
ODT DC Electrical Characteristics
Input DC Logic Level
Input AC Logic Level
CASE
CASE
CASE
IH (ac)
M
≤ 85 ℃ for 25F/-25/-3, V
≤ 85 ℃ for 25F/-25/-3, V
PARAMETER/CONDITION
≤ 85 ℃ for 25F/-25/-3, V
with respect to V
IH (ac)
and V
M
, V
) at test pin (midpoint) with no load.
IL (ac)
V
V
V
V
IL (ac)
SYM.
SYM.
IH(dc)
IH(ac)
IL(dc)
IL(ac)
DDQ
, and V
Rtt(eff) = (V
to test pin separately, then measure current I(V
/2
DD
DD
DD
ΔV
, V
, V
M
, V
DDQ
DDQ
DDQ
:
DDQ
M
= ((2 x V
V
= 1.8V ± 0.1V)
= 1.8V ± 0.1V)
values defined in SSTL_18.
V
V
IH(ac)
SSQ
= 1.8V ± 0.1V)
REF
REF
MIN.
MIN.
-0.3
– V
+ 0.125
+ 0.200
– V
m
PEAK
IL(ac)
/ V
- 38 -
Rtt1(eff)
Rtt2(eff)
Rtt3(eff)
SYM.
Δ V
DDQ
1
) /(I(V
M
) – 1) x 100%
IHac)
MIN.
120
60
40
-6
– I(V
Publication Release Date: Oct. 23, 2009
NOM.
ILac)
150
V
75
50
V
DDQ
V
V
REF
REF
)
DDQ
MAX.
MAX.
+ V
MAX.
- 0.125
- 0.200
180
+ 0.3
90
60
+6
PEAK
IH (ac)
W9751G6IB
PEAK
1
UNIT
) and I(V
Ω
Ω
Ω
value: maximum
%
Revision A06
NOTES
UNIT
UNIT
1, 2
1
1
1
IL (ac)
V
V
V
V
)