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Part Number: IDT7008SIDT7008L
Description: The IDT7008 is a high-speed 64K x 8 Dual-Port Static RAM. The IDT7008 is designed to be used as a stan...
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IDT7008SIDT7008L
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DataSheet
General Description
IDT7008SIDT7008L General Description
The IDT7008 is a high-speed 64K x 8 Dual-Port Static RAM. The IDT7008 is designed to be used as a stand-alone 512K-bit Dual-Port RAM or as a combination MASTER/SLAVE Dual-Port RAM for 16-bit-or-more word systems. Using the IDT MASTER/SLAVE Dual-Port RAM approach in 16-bit or wider memory system applications results in full-speed, errorfree operation without the need for additional discrete logic.
This device provides two independent ports with separate control, address, and I/O pins that permit independent, asynchronous access for reads or writes to any location in memory. An automatic power down feature controlled by the chip enables (CE0 and CE1) permit 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 750mW of power.
The IDT7008 is packaged in a 84-pin Ceramic Pin Grid Array (PGA), a 84-pin Plastic Leadless Chip Carrier (PLCC) and a 100-pin Thin Quad Flatpack (TQFP).
IDT7008SIDT7008L Maximum Ratings
| Symbol | Rating |
Commercial |
Military |
Unit |
| VTERM(2) | Terminal Voltage with Respect to GND |
0.5 to +7.0 |
0.5 to +7.0 |
V |
| TBIAS | Temperature Under Bias |
55 to +125 |
65 to +135 |
|
| TSTG | Storage Temperature |
60 to +150 |
65 to +150 |
|
| IOUT | DC Output Current |
50 |
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 Vcc + 10% for more than 25% of the cycle time or 10ns maximum, and is limited to 20mA for the period of VTERM Vcc + 10%.
IDT7008SIDT7008L Features
` True Dual-Ported memory cells which allow simultaneous reads of the same memory location
` High-speed access
Military: 25/35/55ns (max.)
Industrial: 55ns (max.)
Commercial: 20/25/35/55ns (max.)
` Low-power operation
IDT7008S
Active: 750mW (typ.)
Standby: 5mW (typ.)
IDT7008L
Active: 750mW (typ.)
Standby: 1mW (typ.)
` Dual chip enables allow for depth expansion without external logic
` IDT7008 easily expands data bus width to 16 bits or more using the Master/Slave select when cascading more than one device
` M/S = VIH for BUSY output flag on Master, M/S = VIL for BUSY input on Slave
` Interrupt Flag
` On-chip port arbitration logic
` Full on-chip hardware support of semaphore signaling between ports
` Fully asynchronous operation from either port
` TTL-compatible, single 5V (±10%) power supply
` Available in 84-pin PGA, 84-pin PLCC, and a 100-pin TQFP
` Industrial temperature range (40°C to +85°C) is available for selected speeds
` High-speed access
Military: 25/35/55ns (max.)
Industrial: 55ns (max.)
Commercial: 20/25/35/55ns (max.)
` Low-power operation
IDT7008S
Active: 750mW (typ.)
Standby: 5mW (typ.)
IDT7008L
Active: 750mW (typ.)
Standby: 1mW (typ.)
` Dual chip enables allow for depth expansion without external logic
` IDT7008 easily expands data bus width to 16 bits or more using the Master/Slave select when cascading more than one device
` M/S = VIH for BUSY output flag on Master, M/S = VIL for BUSY input on Slave
` Interrupt Flag
` On-chip port arbitration logic
` Full on-chip hardware support of semaphore signaling between ports
` Fully asynchronous operation from either port
` TTL-compatible, single 5V (±10%) power supply
` Available in 84-pin PGA, 84-pin PLCC, and a 100-pin TQFP
` Industrial temperature range (40°C to +85°C) is available for selected speeds
IDT7008SIDT7008L Connection Diagram
IDT 79R3081
PDF/DataSheet Download
- Datasheet: IDT 79R3081
- File Size: 914564 KB
- Manufacturer: IDT
- Click here to Download
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