W9412G6IH-5 Winbond Electronics, W9412G6IH-5 Datasheet - Page 32

• Manufacturer Part Number: W9412G6IH-5
• Description: IC DDR-400 SDRAM 128MB 66TSSOPII
• Manufacturer: Winbond Electronics

Specifications of W9412G6IH-5

• Format - Memory: RAM
• Memory Type: DDR SDRAM
• Memory Size: 128M (8Mx16)
• Speed: 250MHz
• Interface: Parallel
• Voltage - Supply: 2.3 V ~ 2.7 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 66-TSOPII
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10.8 Table 8: Overshoot/Undershoot Specification for Data, Strobe, and Mask Pins
must be less than or equal to Max. area in Figure 4
must be less than or equal to Max. area in Figure 4
The area between the undershoot signal and GND
Maximum peak amplitude allowed for undershoot
The area between the overshoot signal and VDD
Maximum peak amplitude allowed for overshoot
-1
-2
-3
-4
-5
5
4
3
2
1
0
0
Figure 4: DQ/DM/DQS AC Overshoot and Undershoot Definition
0.5 1.0 1.42 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 5.68 6.0 6.5 7.0
PARAMETER
Max. amplitude = 1.2V
Max. area
VDD
Overshoot
- 32 -
Time (nS)
1.44 V-nS
1.44 V-nS
DDR500
1.2 V
1.2 V
Publication Release Date: Sep. 16, 2009
SPECIFICATION
Max. amplitude = 1.2V
1.44 V-nS
1.44 V-nS
DDR400
1.2 V
1.2 V
Undershoot
W9412G6IH
GND
2.25 V-nS
2.25 V-nS
DDR333
Revision A06
1.2 V
1.2 V