7038L
Features
- True Dual-Ported memory cells which allow simultaneous reads of the same memory location
- High-speed access
- mercial: 15ns (max.)
- Industrial: 20ns (max.)
- Low-power operation
- IDT7038L Active: 1W (typ.) Standby: 1m W (typ.)
- Dual chip enables allow for depth expansion without external logic
- IDT7038 easily expands data bus width to 36 bits or more using the Master/Slave select when cascading more than one device
Functional Block Diagram
R/WL UBL
CE0L CE1L
- 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
- Separate upper-byte and lower-byte controls for multi- plexed bus and bus matching patibility
- TTL-patible, single 5V (±10%) power supply
- Available in a 100-pin TQFP
- Industrial temperature range (- 40°C to +85°C) is available for selected speeds
R/WR UBR
CE0R...
