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IDT70121S/L

Features: High-speed access--Commercial: 25/35/45/55ns (max.)Low-power operation--IDT70121/70125SActive: 675mW (typ.)Standby: 5mW (typ.)--IDT70121/70125LActive: 675mW (typ.)Standby: 1mW (typ.) Fully asychronous operation from either port MASTER IDT70121 easily expands data bus width to 18 bits or ...

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SeekIC No. : 004371992 Detail

IDT70121S/L: Features: High-speed access--Commercial: 25/35/45/55ns (max.)Low-power operation--IDT70121/70125SActive: 675mW (typ.)Standby: 5mW (typ.)--IDT70121/70125LActive: 675mW (typ.)Standby: 1mW (typ.) Fully...

IDT70121S/L Data Sheet

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Part Number:
IDT70121S/L
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:

High-speed access
--Commercial: 25/35/45/55ns (max.)
Low-power operation
--IDT70121/70125S
Active: 675mW (typ.)
Standby: 5mW (typ.)
-- IDT70121/70125L
Active: 675mW (typ.)
Standby: 1mW (typ.)
Fully asychronous operation from either port
MASTER IDT70121 easily expands data bus width to 18 bits or more using SLAVE IDT70125 chip
On-chip port arbitration logic (IDT70121 only)
BUSY output flag on Master; BUSY input on Slave
INT flag for port-to-port communication
Battery backup operationó2V data retention
TTL-compatible, signal 5V (±10%) power supply
Available in 52-pin PLCC
Industrial temperature range (ñ40°C to +85°C) is available for selected speeds


Pinout

Connection Diagram
NOTES:
1. All VCC pins must be connected to power supply.
2. All GND pins must be connected to ground supply.
3. Package body is approximately .75 in x .75 in x .17 in.
4. This package code is used to reference the package diagram.
5. This text does not indicate orientation of the actual part-marking.


Specifications

Symbol
Rating
Com'l & Ind'l
Unit
Military
VTERM
Terminal Voltage
with respect to GND
0.5 to +4.5
V
 -0.5 to +7.0
TSTG
Temperature Under
Bias
55 to +125
°C
 -65 to +135
TSTG
Storage
Temperature
50 to +50
mA
 -65 to +150
IOUT
DC Output Current
50
mA
50



Description

The IDT70121S/L are high-speed 2K x 9 Dual-Port Static RAMs. The IDT70121 is designed to be used as a stand-alone 9-bit Dual- Port RAM or as a ìMASTERî Dual-Port RAM together with the IDT70121S/L ìSLAVEî Dual-Port in 18-bit-or-more word width systems. Using the IDT MASTER/SLAVE Dual-Port RAM approach in 18-bit-or-wider memory system applications results in full-speed, error-free operation without the need for additional discrete logic.




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