Features
- True Dual-Ported memory cells which allow simultaneous
- access of the same memory location
- Separate upper-byte and lower-byte control for bus matching capability.
- Dual chip enables allow for depth expansion without external logic
- 7027 easily expands data bus width to 32 bits or more
- Busy and Interrupt Flags
- 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 100-pin TQFP and 108-pin PGA packages
- Industrial temperature range (–40C to +85C) is available
Description
The 7027 is a high-speed 32K x 16 Dual-Port Static RAM designed to be used as a stand-alone 512K-bit Dual-Port RAM or as a combination MASTER/SLAVE Dual-Port RAM for 32-bit-or-more word systems. An automatic power down feature permits the on-chip circuitry of each port to enter a very low standby power mode. Military grade product in compliance with MIL-PRF-38535 QML is available.
Parameters
| Attributes | Value |
|---|---|
| Core Voltage (V) | 5 |
| Bus Width (bits) | 16 |
| Density (Kb) | 512 |
| Pkg. Code | PNG100 |
| Interface | Async |
| I/O Type | 5.0 V TTL |
| Access Time (ns) | 15, 20 |
| Temp. Range (°C) | -40 to 85°C, 0 to 70°C |
| Architecture | Dual-Port |
| Organization | 32K x 16 |
| Function | Interrupt |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| TQFP | 14.0 x 14.0 x 1.4 | 100 | 0.5 |
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