1Mbit parallel SRAM in a 32-SOJ footprint
The 71V124SA12TYGI is a 1Mbit asynchronous SRAM organized as 128K x 8 bits, with a 12 ns access time that sets the read/write cycle ceiling on the bus. The 32-pin SOJ package (300-mil body width) is a surface-mount footprint common on memory modules and embedded boards — the same 0.050-inch pitch used on many parallel SRAM and EEPROM parts from the 1990s onward.
12 ns access and write-cycle timing
With a 12 ns access time and a matching 12 ns write-cycle time (word, page), the part can keep pace with a 50-66 MHz bus without wait states, assuming the controller's output hold and setup margins are met. The parallel interface means every address is latched in one cycle — no serial clock overhead — so the effective throughput for random reads is the reciprocal of the access time, about 83 million reads per second.
Active lifecycle and compliance
It is ROHS3 compliant, meeting the EU RoHS directive's strictest substance restrictions, which covers most global markets without an exemption.