k4d263238m-qc60 Samsung Semiconductor, Inc., k4d263238m-qc60 Datasheet - Page 17

• Manufacturer Part Number: k4d263238m-qc60
• Description: 1m X 32bit X 4 Banks Double Data Rate Synchronous Ram With Bi-directional Data Strobe And Dll
• Manufacturer: Samsung Semiconductor, Inc.

K4D263238M
AC CHARACTERISTICS (II)
K4D263238M-QC45*
K4D263238M-QC50
K4D263238M-QC55
K4D263238M-QC60
222MHz ( 4.5ns )
200MHz ( 5.0ns )
183MHz ( 5.5ns )
166MHz ( 6.0ns )
143MHz ( 7.0ns )
200MHz ( 5.0ns )
183MHz ( 5.5ns )
166MHz ( 6.0ns )
143MHz ( 7.0ns )
183MHz ( 5.5ns )
166MHz ( 6.0ns )
143MHz ( 7.0ns )
166MHz ( 6.0ns )
143MHz ( 7.0ns )
Frequency
Frequency
Frequency
Frequency
*
Cas Latency
Cas Latency
Cas Latency
Cas Latency
4
3
3
3
3
3
3
3
3
3
3
3
3
3
tRC
tRC
tRC
tRC
13
12
12
10
12
12
10
12
10
10
9
9
9
9
tRFC
tRFC
tRFC
tRFC
15
14
14
12
11
14
14
12
11
14
12
11
12
11
- 17 -
tRAS
tRAS
tRAS
tRAS
9
8
8
7
6
8
8
7
6
8
7
6
7
6
tRCDRD
tRCDRD
tRCDRD
tRCDRD
4
4
4
3
3
4
4
3
3
4
3
3
3
3
tRCDWR
tRCDWR
tRCDWR
tRCDWR
2
2
2
2
2
2
2
2
2
2
2
2
2
2
128M DDR SDRAM
tRP
tRP
tRP
tRP
4
4
4
3
3
4
4
3
3
4
3
3
3
3
Rev. 1.3 (Aug. 2001)
(Unit : Number of Clock)
tRRD
tRRD
tRRD
tRRD
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Unit
tCK
tCK
tCK
tCK
tCK
Unit
tCK
tCK
tCK
tCK
Unit
tCK
tCK
tCK
Unit
tCK
tCK