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Part Number: IDT70824S
Description: The IDT70824 is a high-speed 4K x 16-Bit Sequential Access Random Access Memory (SARAM). The SARAM off...
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IDT70824S
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General Description
IDT70824S General Description
The IDT70824 is a high-speed 4K x 16-Bit Sequential Access Random Access Memory (SARAM). The SARAM offers a single-chip solution to buffer data sequentially on one port, and be accessed randomly (asynchronously) through the other port. The device has a Dual-Port RAM based architecture with a standard SRAM interface for the random (asynchronous) access port, and a clocked interface with counter sequencing for the sequential (synchronous) access port.
Fabricated using CMOS high-performance technology, this memory device typically operates on less than 775mW of power at maximum high-speed clock-to-data and Random Access. An automatic power down feature, controlled by CE, permits the on-chip circuitry of each port to enter a very low standby power mode.
The IDT70824 is packaged in a 80-pin Thin Quad Flatpack (TQFP) or 84-pin Pin Grid Array (PGA). Military grade product is manufactured in compliance with the latest revision of MIL-PRF-38535 QML, making it ideally suited to military temperature applications demanding the highest level of performance and reliability.
IDT70824S Maximum Ratings
|
Symbol |
Rating |
Commercial & Industrial |
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 |
oC |
| TSTG |
Storage Temperature |
-55 to +125 |
-65 to +150 |
o C |
| 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%.
IDT70824S Features
High-speed access
Military: 35/45ns (max.)
Commercial: 20/25/35/45ns (max.)
Low-power operation
IDT70824S
Active: 775mW (typ.)
Standby: 5mW (typ.)
IDT70824L
Active: 775mW (typ.)
Standby: 1mW (typ.)
4K x 16 Sequential Access Random Access Memory (SARAM™)
Sequential Access from one port and standard Random
Access from the other port
Separate upper-byte and lower-byte control of the
Random Access Port
High speed operation
20ns tAA for random access port
20ns tCD for sequential port
25ns clock cycle time
Architecture based on Dual-Port RAM cells
Compatible with Intel BMIC and 82430 PCI Set
Width and Depth Expandable
Sequential side
Address based flags for buffer control
Pointer logic supports up to two internal buffers
Battery backup operation - 2V data retention
TTL-compatible, single 5V (+10%) power supply
Available in 80-pin TQFP and 84-pin PGA
Military product compliant to MIL-PRF-38535 QML
Industrial temperature range (40°C to +85°C) is available
for selected speeds
Military: 35/45ns (max.)
Commercial: 20/25/35/45ns (max.)
Low-power operation
IDT70824S
Active: 775mW (typ.)
Standby: 5mW (typ.)
IDT70824L
Active: 775mW (typ.)
Standby: 1mW (typ.)
4K x 16 Sequential Access Random Access Memory (SARAM™)
Sequential Access from one port and standard Random
Access from the other port
Separate upper-byte and lower-byte control of the
Random Access Port
High speed operation
20ns tAA for random access port
20ns tCD for sequential port
25ns clock cycle time
Architecture based on Dual-Port RAM cells
Compatible with Intel BMIC and 82430 PCI Set
Width and Depth Expandable
Sequential side
Address based flags for buffer control
Pointer logic supports up to two internal buffers
Battery backup operation - 2V data retention
TTL-compatible, single 5V (+10%) power supply
Available in 80-pin TQFP and 84-pin PGA
Military product compliant to MIL-PRF-38535 QML
Industrial temperature range (40°C to +85°C) is available
for selected speeds
IDT70824S Connection Diagram
IDT70824S
PDF/DataSheet Download
- Datasheet: IDT70824S
- File Size: 210011 KB
- Manufacturer: IDT [Integrated Device Technology]
- Click here to Download
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IDT70824S Relative Products
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