W971GG6JB-25 Winbond Electronics, W971GG6JB-25 Datasheet - Page 67

• Manufacturer Part Number: W971GG6JB-25
• Description: IC DDR2-800 SDRAM 1GB 84-WBGA
• Manufacturer: Winbond Electronics

Specifications of W971GG6JB-25

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 1G (64M x 16)
• 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
• Other names: Q5804012

9.14 AC Overshoot / Undershoot Specification
9.14.1 AC Overshoot / Undershoot Specification for Address and Control Pins:
Maximum peak amplitude allowed for overshoot area
Maximum peak amplitude allowed for undershoot area
Maximum overshoot area above V
Maximum undershoot area below V
9.14.2 AC Overshoot / Undershoot Specification for Clock, Data, Strobe and Mask pins:
Maximum peak amplitude allowed for overshoot area
Maximum peak amplitude allowed for undershoot area
Maximum overshoot area above V
Maximum undershoot area below V
Applies to DQ, LDQS, /LDQS, UDQS, /UDQS, LDM, UDM, CLK, /CLK
Applies to A0-A12, BA0-BA2, /CS, /RAS, /CAS, /WE, CKE, ODT
PARAMETER
PARAMETER
Volts (V)
Figure 29 – AC overshoot and undershoot definition
DD
DDQ
V
V
SS
SSQ
SS
DD
/V
/V
SSQ
DDQ
Maximum Amplitude
Maximum Amplitude
- 67 -
Time (nS)
DDR2-1066
DDR2-1066
0.19
0.19
0.9
0.9
0.5
0.5
0.9
0.9
Publication Release Date: Mar. 28, 2011
DDR2-800
DDR2-800
Undershoot Area
0.66
0.66
0.23
0.23
0.9
0.9
0.9
0.9
Overshoot Area
W971GG6JB
DDR2-667
DDR2-667
0.23
0.23
0.9
0.9
0.8
0.8
0.9
0.9
Revision A07
UNIT
V-nS
V-nS
UNIT
V-nS
V-nS
V
V
V
V