k4d263238d Samsung Semiconductor, Inc., k4d263238d Datasheet - Page 16

• Manufacturer Part Number: k4d263238d
• Description: 1m X 32bit X 4 Banks Double Data Rate Synchronous Dram With Bi-directional Data Strobe And Dll
• Manufacturer: Samsung Semiconductor, Inc.

AC CHARACTERISTICS (II)
* 183/166MHz were supported in K4D263238D-QC50
K4D263238D
K4D263238D-QC40
K4D623238F-QC50
250MHz ( 4.0ns )
200MHz ( 5.0ns )
200MHz ( 5.0ns )
183MHz ( 5.5ns )
166MHz ( 6.0ns )
Frequency
Frequency
Cas Latency
Cas Latency
4
3
3
3
3
tRC
tRC
15
12
12
12
10
tRFC
tRFC
17
14
14
14
12
tRAS
tRAS
10
8
8
8
7
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tRCDRD tRCDWR
tRCDRD tRCDWR
5
4
4
4
3
3
2
2
2
2
tRP
tRP
5
4
4
4
3
128M DDR SDRAM
tRRD
tRRD
Rev. 1.3 (Jul. 2002)
3
2
2
2
2
(Unit : Number of Clock)
tDAL
tDAL
8
6
6
6
5
Unit
tCK
tCK
Unit
tCK
tCK
tCK