W9751G6JB-3 Winbond, W9751G6JB-3 Datasheet - Page 66

• Manufacturer Part Number: W9751G6JB-3
• Manufacturer: Winbond
• Type: DDR2 SDRAMr

Specifications of W9751G6JB-3

• Organization: 32Mx16
• Density: 512Mb
• Address Bus: 14b
• Access Time (max): 450ps
• Maximum Clock Rate: 667MHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: WBGA
• Operating Temp Range: 0C to 85C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 150mA
• Pin Count: 84
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

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-BA1, /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
- 66 -
Time (nS)
0.19
0.19
−18
−18
0.5
0.5
0.5
0.5
0.5
0.5
−25/25I/25A
−25/25I/25A
Publication Release Date: Jun. 18, 2010
Undershoot Area
0.66
0.66
0.23
0.23
0.5
0.5
0.5
0.5
Overshoot Area
W9751G6JB
0.23
0.23
0.5
0.5
0.8
0.8
0.5
0.5
−3
−3
Revision A03
UNIT
UNIT
V-nS
V-nS
V-nS
V-nS
V
V
V
V