k4d263238m-qc60 Samsung Semiconductor, Inc., k4d263238m-qc60 Datasheet - Page 4

• 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
1M x 32Bit x 4 Banks Double Data Rate Synchronous RAM
with Bi-directional Data Strobe and DLL
FEATURES
ORDERING INFORMATION
GENERAL DESCRIPTION
• 2.5V ± 5% power supply
• SSTL_2 compatible inputs/outputs
• 4 banks operation
• MRS cycle with address key programs
• Full page burst length for sequential burst type only
• Start address of the full page burst should be even
• All inputs except data & DM are sampled at the positive
• Differential clock input
• No Write Interrupted by Read function
FOR 1M x 32Bit x 4 Bank DDR SDRAM
The K4D263238 is 134,217,728 bits of hyper synchronous data rate Dynamic RAM organized as 4 x 1,048,576 words by
32 bits, fabricated with SAMSUNG s high performance CMOS technology. Synchronous features with Data Strobe allow
extremely high performance up to
operating frequencies, programmable burst length and programmable latencies allow the device to be useful for a variety
of high performance memory system applications.
going edge of the system clock
-. Read latency 3,4 (clock)
-. Burst type (sequential & interleave)
-. Burst length (2, 4, 8 and Full page)
K4D263238M-QC45
K4D263238M-QC50
K4D263238M-QC55
K4D263238M-QC60
Part NO.
1.8GB/s/chip.
Max Freq.
222MHz
200MHz
183MHz
166MHz
I/O transactions are possible on both edges of the clock cycle. Range of
- 4 -
Max Data Rate
444Mbps/pin
400Mbps/pin
366Mbps/pin
333Mbps/pin
• Data I/O transactions on both edges of Data strobe
• DLL aligns DQ and DQS transitions with Clock transition
• Edge aligned data & data strobe output
• Center aligned data & data strobe input
• DM for write masking only
• Auto & Self refresh
• 32ms refresh period (4K cycle)
• 100pin TQFP package
• Maximum clock frequency up to 222MHz
• Maximum data rate up to 444Mbps/pin
Interface
SSTL_2
128M DDR SDRAM
Rev. 1.3 (Aug. 2001)
100 TQFP
Package