DDR266

Features: • VDD : 2.5V ± 0.2V, VDDQ : 2.5V ± 0.2V for DDR266, 333• VDD : 2.6V ± 0.1V, VDDQ : 2.6V ± 0.1V for DDR400• Double-data-rate architecture; two data transfers per clock cycle• Bidirectional data strobe [DQS] (x4,x8) & [L(U)DQS] (x16)• Four banks operation&...

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DDR266 Picture
SeekIC No. : 004324782 Detail

DDR266: Features: • VDD : 2.5V ± 0.2V, VDDQ : 2.5V ± 0.2V for DDR266, 333• VDD : 2.6V ± 0.1V, VDDQ : 2.6V ± 0.1V for DDR400• Double-data-rate architecture; two data transfers per clock cyc...

floor Price/Ceiling Price

Part Number:
DDR266
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

• VDD : 2.5V ± 0.2V, VDDQ : 2.5V ± 0.2V for DDR266, 333
• VDD : 2.6V ± 0.1V, VDDQ : 2.6V ± 0.1V for DDR400
• Double-data-rate architecture; two data transfers per clock cycle
• Bidirectional data strobe [DQS] (x4,x8) & [L(U)DQS] (x16)
• Four banks operation
• Differential clock inputs(CK and CK)
• DLL aligns DQ and DQS transition with CK transition
• MRS cycle with address key programs
  -. Read latency : DDR266(2, 2.5 Clock), DDR333(2.5 Clock), DDR400(3 Clock)
  -. Burst length (2, 4, 8)
  -. Burst type (sequential & interleave)
• All inputs except data & DM are sampled at the positive going edge of the system clock(CK)
• Data I/O transactions on both edges of data strobe
• Edge aligned data output, center aligned data input
• LDM,UDM for write masking only (x16)
• DM for write masking only (x4, x8)
• Auto & Self refresh
• 7.8us refresh interval(8K/64ms refresh)
• Maximum burst refresh cycle : 8
• 66pin TSOP II Pb-Free package
• RoHS compliant



Pinout

  Connection Diagram


Specifications

Parameter

Symbol

Value

Unit

Voltage on any pin relative to VSS

VIN, VOUT

-0.5 ~ 3.6

V

Voltage on VDD & VDDQ supply relative to VSS

VDD, VDDQ

-1.0 ~ 3.6

V

Storage temperature

TSTG

-55 ~ +150

°C

Power dissipation

PD

1.5

W

Short circuit current

IOS

50

mA




Description

The K4H510838D / K4H511638D is 536,870,912 bits of double data rate synchronous DRAM organized as 4x 16,777,216 / 4x 8,388,608 words by 8/16bits, fabricated with SAMSUNGs high performance CMOS technology. Synchronous features with Data Strobe allow extremely high performance up to 400Mb/s per pin. I/O transactions are possible on both edges of DQS. Range of operating frequencies,

programmable burst length and programmable latencies allow the K4H510838D / K4H511638D to be useful for a variety of high performance memory system applications.




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