SAE81C80A Datasheet - Siemens

SAE81C80A CMOS Dual Port RAM

Dual-Port RAM The SAE 81C80A is a 504-byte static RAM simultaneously accessible by two microcontrollers. The memory locations are selected via a multiplexed address/data bus and two chip-select inputs. The direction of data transfer is determined by the RD and WR inputs. There will be no undefined s.

SAE81C80A Features

* q q q q q q q q q q q q q q q Processor interface with address and data bus plus signals ALE, WR, RD 8051-, 8096-compatible timing Memory capacity 504 bytes All functions fully static (excl. oscillator watchdog) Standby operation On-chip oscillator with separate clock output Eight scheduling regist

SAE81C80A_Siemens.pdf