1. 矽成
  2. 靜態隨機存取存儲器
  3. QUAD/QUADP and DDR-II/DDR-IIP
  4. DDR-II, Common I/O, Separate I/O
  5. 36M 2Mx18
  6. 165-ball BGA (15 x 17 mm)
  7. IS61DDB22M18A-300M3I

  IS61DDB22M18A-300M3I

數據表
索取報價
容量 36M
規格 2Mx18
陣 2
狀態 Prod
速度Mhz 250, 300, 333
評論上一版本 IS61DDB22M18
產品系列 61 = QUAD/P DDR-2/P
配置 2M18 = 2M x18
包裝代碼 M3 = 165-ball BGA (15 x 17 mm)
ROHS版 = Leaded
突發類型 B2 = Burst 2
硅片版本 A = A
讀延時（RL） blank = 1.5 clock cycles or 2.5 clock cycles
ODT選項 blank = No ODT
產品類別 DD = DDR-II, Common I/O
溫度範圍 I = Industrial (-40°C to +85°C)
速度 300 = 300MHz
數據表
索取報價

IS61DDB22M18A-300M3I 特徵

  • 1Mx36 and 2Mx18 configuration available.
  • On-chip delay-locked loop (DLL) for wide data valid window.
  • Common I/O read and write ports.
  • Synchronous pipeline read with self-timed late write operation.
  • Double Data Rate (DDR) interface for read and write input ports.
  • Fixed 2-bit burst for read and write operations.
  • Clock stop support.
  • Two input clocks (K and K#) for address and control registering at rising edges only. Two input clocks (C and C#) for data output control. Two echo clocks (CQ and CQ#) that are delivered simultaneously with data. +1.8V core power supply and 1.5V to 1.8V VDDQ, used with 0.75V to 0.9V VREF.
  • HSTL input and output interface.
  • Registered addresses, write and read controls, byte writes, data in, and data outputs.
  • Full data coherency.
  • Boundary scan using limited set of JTAG 1149.1 functions.
  • Byte write capability.
  • Fine ball grid array (FBGA) package: 13mmx15mm and 15mmx17mm body size 165-ball (11 x 15) array
  • Read/write address
  • Read enable
  • Write enable
  • Byte writes for first burst address
  • Data-in for first burst address The following are registered on the rising edge of the K# clock:
  • Byte writes for second burst address

概觀

The 36Mb IS61DDB21M36A and IS61DDB22M18A are synchronous, high-performance CMOS static random access memory (SRAM) devices. These SRAMs have a common I/O bus. The rising edge of K clock initiates the read/write operation, and all internal operations are self-timed. Refer to the Timing Reference Diagram for Truth Table for a description of the basic operations of these DDR-II (Burst of 2) CIO SRAMs.

 

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IS61DDB22M18A-300M3I-TR IS61DDB22M18A-300B4LI
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IS61DDB22M18A-250M3L 10,000 IS61DDB22M18A-333B4LI
IS61DDB22M18A-250M3L-TR IS61DDB22M18A-333B4LI-TR
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IS61DDB22M18A-250M3LI-TR IS61DDB22M18A-333M3-TR
IS61DDB22M18A-300B4 IS61DDB22M18A-333M3I
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IS61DDB22M18A-300B4L-TR IS61DDB22M18A-333M3LI-TR