W9751G6KB WINBOND [Winbond], W9751G6KB Datasheet - Page 67

• Manufacturer Part Number: W9751G6KB
• Description: 8M ? 4 BANKS ? 16 BIT DDR2 SDRAM
• Manufacturer: WINBOND [Winbond]

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
- 67 -
Time (nS)
0.19
0.19
18
18
0.5
0.5
0.5
0.5
0.5
0.5
Publication Release Date: Dec. 09, 2011
25/25I
25/25I
Undershoot Area
0.66
0.66
0.23
0.23
0.5
0.5
0.5
0.5
Overshoot Area
W9751G6KB
0.23
0.23
0.5
0.5
0.8
0.8
0.5
0.5
3
3
Revision A01
UNIT
UNIT
V-nS
V-nS
V-nS
V-nS
V
V
V
V