EMD56324P Emlsi Inc., EMD56324P Datasheet - Page 11

• Manufacturer Part Number: EMD56324P
• Description: 256m 8m X 32 Mobile Ddr Sdram
• Manufacturer: Emlsi Inc.

Table 10: I/O Setup/Hold Slew Rate
4. This derating table is used to increase t
Table 11: I/O Delta Rise/Fall Rate(1/slewrate)
5. This derating table is used to increase t
6. Maximum burst refresh cycle : 8
1/SlewRate1-1/SlewRate2. For example, if slew rate 1 = 1.0V/ns and slew rate 2 = 0.8V/ns, then the Delta Rise/Fall Rate = -0.25ns/V.
I/O Setup/Hold Slew Rate
Delta Rise/Fall Rate
± 0.25
(V/ns)
(ns/V)
± 0.5
1.0
0.8
0.6
0
DS
DS
/t
/t
DH
DH
in the case where the I/O slew rate is below 1.0V/ns.
in the case where the DQ and DQS slew rates differ. The Delta Rise/Fall Rate is calculated as
+150
+100
∆t
∆t
(ps)
+75
(ps)
+50
11
0
0
DS
DS
256M: 8M x 32 Mobile DDR SDRAM
EMD56324P
+150
+100
∆t
∆t
(ps)
(ps)
+75
+50
Preliminary
0
0
DH
DH
Rev 0.0