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IS42G32256

Features: • 256,144 words x 32 bits x 2-bank organization• All inputs are sampled at the positive going edge of the system clock• Dual internal bank control• Single 3.3V ± 3V power supply• Programmable mode register Burst length (1, 2, 4, 8, and full page) CAS laten...

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SeekIC No. : 004379026 Detail

IS42G32256: Features: • 256,144 words x 32 bits x 2-bank organization• All inputs are sampled at the positive going edge of the system clock• Dual internal bank control• Single 3.3V ± 3V...

IS42G32256 Data Sheet

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Part Number:
IS42G32256
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• 256,144 words x 32 bits x 2-bank organization
• All inputs are sampled at the positive going edge of the system clock
• Dual internal bank control
• Single 3.3V ± 3V power supply
• Programmable mode register
  Burst length (1, 2, 4, 8, and full page)
  CAS latency (2 and 3)
  Burst type: Sequential and Interleave
• Burst Read single-bit Write Operation
• Refresh capability
  Auto, self-refresh
• 2,048 refresh cycles/32 ms
• LVTTL compatible inputs and outputs
•100-pin PQFP
   (14mm x 20mm)


Pinout

Connection Diagram


Specifications

Symbol Parameter Min. Typ.
Max.
Unit
VCC,VCCQ Supply Voltage 3.0 3.3
3.0
V
VIH Input High Voltage 2.0 -
Vcc + 0.3
V
VIL Input Low Voltage -3.0 -
+0.8
V

1. Stress greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
2. All voltages are referenced to GND.
3. VIH (max) = 5.5V for pulse width5 ns.
4. VIL (min) = 1.5V for pulse width5 ns.


Description

The ISSI IS42G32256 is a high-speed 16-Mbit CMOS Synchronous Graphics RAM organized as 256K words x 32 bits x 2 banks. With SGRAM, all input and output signals are synchronized with the rising edge of the system clock. Programmable Mode Register and Special Registers provide a choice of Read or Write burst lengths of 1, 2, 4, or 8 locations or a Full Page with burst termination options. The SGRAM performance is enhanced with the Write-per-bit (WPB) and eight columns of Block Write functions.

The IS42G32256 is ideal for high-performance, highbandwidth applications including workstation graphics, set top box, games, and PC-2D/3D graphic applications.




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