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K4S281632B-N

Part Number	K4S281632B-N
Manufacturer	Samsung semiconductor
Description	2M x 16Bit x 4 Banks Synchronous DRAM in sTSOP
Published	Apr 7, 2005
Detailed Description	shrink-TSOP K4S281632B-N 2M x 16Bit x 4 Banks Synchronous DRAM in sTSOP FEATURES • JEDEC standard 3.3V power supply • LV...
Datasheet	K4S281632B-N PDF File

Overview

shrink-TSOP K4S281632B-N 2M x 16Bit x 4 Banks Synchronous DRAM in sTSOP FEATURES • JEDEC standard 3.
3V power supply • LVTTL compatible with multiplexed address • Four banks operation • MRS cycle with address key programs - CAS latency (2 & 3) - Burst length (1, 2, 4, 8 & Full page) - Burst type (Sequential & Interleave) • All inputs are sampled at the positive going edge of the system clock.
• Burst read single-bit write operation • DQM for masking • Auto & self refresh • 64ms refresh period (4K cycle) CMOS SDRAM GENERAL DESCRIPTION The K4S281632B-N is 134,217,728 bits synchronous high data rate Dynamic RAM organized as 4 x 2,097,152 words by 16 bits, fabricated with SAMSUNG′s high performance CMOS technology.
Synchronous design allows precise cycle control with the use of system clock I/O transactions are possible on every clock cycle.
Range of operating frequencies, programmable burst length and programmable latencies allow the same device to be useful for a variety of high bandwidth, high performance memory system applications.
ORDERING INFORMATION Part No.
K4S281632B-NC/L1H K4S281632B-NC/L1L Max Freq.
100MHz(CL=2) 100MHz(CL=3) Interface Package LVTTL 54pin sTSOP(II) FUNCTIONAL BLOCK DIAGRAM I/O Control LWE Data Input Register LDQM Bank Select 2M x 16 2M x 16 2M x 16 2M x 16 Refresh Counter Output Buffer Row Decoder Sense AMP Row Buffer DQi Address Register CLK ADD Column Decoder Col.
Buffer Latency & Burst Length LRAS LCBR LCKE LRAS LCBR LWE LCAS Programming Register LWCBR LDQM Timing Register CLK CKE CS RAS CAS WE LDQM UDQM * Samsung Electronics reserves the right to change products or specification without notice.
shrink-TSOP K4S281632B-N PIN CONFIGURATION (Top view) VDD DQ0 VDDQ DQ1 DQ2 VSSQ DQ3 DQ4 VDDQ DQ5 DQ6 VSSQ DQ7 VDD LDQM WE CAS RAS CS BA0 BA1 A10/AP A0 A1 A2 A3 VDD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 VSS...

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