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TMS44409

Features: ` Organization . . . 1048576 * 4` Single 5-V Power Supply (±10% Tolerance)` Performance Ranges: ACCESS ACCESS ACCE+SS EDO TIME TIME TIME CYCLE (tRAC) (tCAC) (tAA) (tHPC) (MAX) (MAX) (MAX) (MIN) '44409/P-60 60 ns 15 ns 30 ns 25 ns '44409/P-70 70 ns 18 ns 35 ns 30 ns '44409/P-80 80 ns 20 n...

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SeekIC No. : 004525126 Detail

TMS44409: Features: ` Organization . . . 1048576 * 4` Single 5-V Power Supply (±10% Tolerance)` Performance Ranges: ACCESS ACCESS ACCE+SS EDO TIME TIME TIME CYCLE (tRAC) (tCAC) (tAA) (tHPC) (MAX) (MAX) (MAX) ...

TMS44409 Data Sheet

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Part Number:
TMS44409
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:

` Organization . . . 1048576 * 4
` Single 5-V Power Supply (±10% Tolerance)
` Performance Ranges:
              ACCESS ACCESS ACCE+SS EDO
                         TIME TIME TIME CYCLE
                       (tRAC) (tCAC) (tAA) (tHPC)
                         (MAX) (MAX) (MAX) (MIN)
   '44409/P-60 60 ns 15 ns 30 ns 25 ns
   '44409/P-70 70 ns 18 ns 35 ns 30 ns
   '44409/P-80 80 ns 20 ns 40 ns 35 ns
` Extended Data Out (EDO) Operation
` CAS-Before-RAS (CBR) Refresh
` 3-State Unlatched Output
` Low Power Dissipation
` All Inputs/Outputs and Clocks are TTL-Compatible
` Long Refresh Period
   1 024 Cycle Refresh in 16 ns (max)
   128 ms on Low Power, Self-Refresh Version (TMS44409P Only)
` Operating Free-Air Temperature Range 0°C to 70°C


Pinout

Connection Diagram 


Specifications

Voltage range on any pin (see Note 1) . . . . . . . . . . . . . . . . . . .  1 V to 7 V
Voltage range on VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 V to 7 V
Short-circuit output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 mA
Power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 W
Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . 0  to 70
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . 55  to 150
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage values are with respect to VSS.


Description

The TMS44409 is a high-speed 4194304-bit dynamic random-access memory (DRAM) organized as 1048576 words of four bits each. This device features maximum RAS access times of 60 ns, 70 ns and 80 ns. Maximum power consumption is as low as 385 mW operating and 6 mW standby. All inputs and outputs, including clocks, are compatible with Series 74 TTL. All addresses and data-in lines are latched on chip to simplify system design. Data out is unlatched to allow greater system flexibility.

The TMS44409P is a high-speed, low-power, self-refresh version of the TMS44409 DRAM.

All versions of the TMS44409/P are offered in a 300-mil 20/26 J-lead plastic surface-mount SOJ package (DJ suffix) and a 20/26-lead plastic small outline package (DGA suffix). These devices are characterized for operation from 0°C to 70°C.




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