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Part Number: IDT70V3579S
Description: The IDT70V3579 is a high-speed 32K x 36 bit synchronous Dual-Port RAM. The memory array utilizes Dual-...
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IDT70V3579S
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DataSheet
General Description
IDT70V3579S General Description
The IDT70V3579 is a high-speed 32K x 36 bit synchronous Dual-Port RAM. The memory array utilizes Dual-Port memory cells to allowsimultaneous access of any address from both ports. Registers oncontrol, data, and address inputs provide minimal setup and holdtimes. The timing latitude provided by this approach allows systemsto be designed with very short cycle times. With an input data register, theIDT70V3579 has been optimized for applications having unidirectional orbidirectional data flow in bursts. An automatic power down feature,controlled by CE0 and CE1, permits the on-chip circuitry of each port toenter a very low standby power mode.
The 70V3579 can support an operating voltage of either 3.3V or 2.5Von one or both ports, controllable by the OPT pins. The power supply forthe core of the device (VDD) remains at 3.3V.
IDT70V3579S Maximum Ratings
| Symbol | Rating |
Commercial & Industrial |
Unit |
| VTERM(2) | Terminal Voltage with Respect to GND |
-0.5 to +4.6 |
V |
| TBIAS | Temperature Under Bias |
55 to +125 |
|
| TSTG | Storage Temperature |
65 to +150 |
|
| IOUT | DC Output Current |
50 |
mA |
NOTES:
1. Stresses 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. VTERM must not exceed VDD + 150mV for more than 25% of the cycle time or4ns maximum, and is limited to 20mA for the period of VTERM VDD + 150mV.
IDT70V3579S Features
` True Dual-Port memory cells which allow simultaneous ccess of the same memory location
` High-speed clock to data access
Commercial: 4.2/5/6ns (max.)
Industrial: 5/6ns (max)
` Pipelined output mode
` Counter enable and reset features
` Dual chip enables allow for depth expansion withoutadditional logic
` Full synchronous operation on both ports
-7.5ns cycle time, 133MHz operation (9.6 Gbps bandwidth)
-Fast 4.2ns clock to data out
-1.8ns setup to clock and 0.7ns hold on all control, data, and address inputs @ 133MHz
-Data input, address, byte enable and control registers
-Self-timed write allows fast cycle time
` Separate byte controls for multiplexed bus and busmatching compatibility
` LVTTL- compatible, single 3.3V (±150mV) power supply forcore
` LVTTL- compatible, selectable 3.3V (±150mV)/2.5V (±125mV)power supply for I/Os and control signals on each port
` Industrial temperature range (-40°C to +85°C) isavailable for selected speeds
` Available in a 208-pin Plastic Quad Flatpack (PQFP),208-ball fine-pitch Ball Grid Array, and 256-pin Ball rid Array
` High-speed clock to data access
Commercial: 4.2/5/6ns (max.)
Industrial: 5/6ns (max)
` Pipelined output mode
` Counter enable and reset features
` Dual chip enables allow for depth expansion withoutadditional logic
` Full synchronous operation on both ports
-7.5ns cycle time, 133MHz operation (9.6 Gbps bandwidth)
-Fast 4.2ns clock to data out
-1.8ns setup to clock and 0.7ns hold on all control, data, and address inputs @ 133MHz
-Data input, address, byte enable and control registers
-Self-timed write allows fast cycle time
` Separate byte controls for multiplexed bus and busmatching compatibility
` LVTTL- compatible, single 3.3V (±150mV) power supply forcore
` LVTTL- compatible, selectable 3.3V (±150mV)/2.5V (±125mV)power supply for I/Os and control signals on each port
` Industrial temperature range (-40°C to +85°C) isavailable for selected speeds
` Available in a 208-pin Plastic Quad Flatpack (PQFP),208-ball fine-pitch Ball Grid Array, and 256-pin Ball rid Array
IDT70V3579S Connection Diagram
IDT70V3579S
PDF/DataSheet Download
- Datasheet: IDT70V3579S
- File Size: 192138 KB
- Manufacturer: IDT [Integrated Device Technology]
- Click here to Download
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