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Part Number: DT70T9349L
Description: The IDT70T9359/49 is a high-speed 8/4K x 18 bit synchronous Dual-Port RAM. The memory array utilizes D...
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DT70T9349L
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DataSheet
General Description
DT70T9349L General Description
The IDT70T9359/49 is a high-speed 8/4K x 18 bit synchronous Dual-Port RAM. The memory array utilizes Dual-Port memory cells to allow simultaneous access of any address from both ports.
Registers on control, data, and address inputs provide minimal setup and hold times. The timing latitude provided by this approach allows systems to be designed with very short cycle times.
With an input data register, the IDT70T9359/49 has been optimized for applications having unidirectional or bidirectional data flow in bursts. An automatic power down feature, controlled by CE0 and CE1, permits the on-chip circuitry of each port to enter a very low standby power mode.
Fabricated using IDT's CMOS high-performance technology, these devices typically operate on only 225mW of power.
DT70T9349L Maximum Ratings
| Symbol | Rating | Commercial & Industrial |
Unit |
| VTERM(2) | Terminal Voltage with Respect to GND |
-0.5 to +3.6 | V |
| TBIAS | Temperature Under Bias |
-55 to +125 | |
| TSTG | Storage Temperature |
-65 to +150 | |
| IOUT | DC Output Current | 50 | mA |
DT70T9349L Features
True Dual-Ported memory cells which allow simultaneous
access of the same memory location
High-speed clock to data access
Commercial:7.5/9/12ns (max.)
Industrial: 9ns (max.)
Low-power operation
IDT70T9359/49L
Active: 225mW (typ.)
Standby: 1.5mW (typ.)
Flow-Through or Pipelined output mode on either port via
the FT/PIPE pins
Counter enable and reset features
Dual chip enables allow for depth expansion without
additional logic
Full synchronous operation on both ports
4.0ns setup to clock and 0.5ns hold on all control, data, and
address inputs
Data input, address, and control registers
Fast 7.5ns clock to data out in the Pipelined output mode
Self-timed write allows fast cycle time
12ns cycle time, 83MHz operation in Pipelined output mode
Separate upper-byte and lower-byte controls for
multiplexed bus and bus matching compatibility
LVTTL- compatible, single 2.5V (±100mV) power supply
Industrial temperature range (40°C to +85°C) is
available for 66MHz
Available in a 100-pin Thin Quad Flatpack (TQFP) and 100-
pin fine pitch Ball Grid Array (fpBGA) packages.
access of the same memory location
High-speed clock to data access
Commercial:7.5/9/12ns (max.)
Industrial: 9ns (max.)
Low-power operation
IDT70T9359/49L
Active: 225mW (typ.)
Standby: 1.5mW (typ.)
Flow-Through or Pipelined output mode on either port via
the FT/PIPE pins
Counter enable and reset features
Dual chip enables allow for depth expansion without
additional logic
Full synchronous operation on both ports
4.0ns setup to clock and 0.5ns hold on all control, data, and
address inputs
Data input, address, and control registers
Fast 7.5ns clock to data out in the Pipelined output mode
Self-timed write allows fast cycle time
12ns cycle time, 83MHz operation in Pipelined output mode
Separate upper-byte and lower-byte controls for
multiplexed bus and bus matching compatibility
LVTTL- compatible, single 2.5V (±100mV) power supply
Industrial temperature range (40°C to +85°C) is
available for 66MHz
Available in a 100-pin Thin Quad Flatpack (TQFP) and 100-
pin fine pitch Ball Grid Array (fpBGA) packages.
DT70T9349L Connection Diagram
DT70V27L
PDF/DataSheet Download
- Datasheet: DT70V27L
- File Size: 196667 KB
- Manufacturer: IDT [Integrated Device Technology]
- Click here to Download
- ·DT70V27S
- IDT [Integrated Device Technology]
- HIGH-SPEED 3.3V 32K x 16 DUAL-PORT STATIC RAM
- 196667 KB
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