(Hong Kong)
Product Summary
The HM53461P-10 is a 262144-bit multiport memory equipped with a 64k-word×4bit dynamic RAM port and a 256-word×4bit serial access memory (SAM) port. The SAM port is connected to an internal 1024 bit data register through a 256-word×4 bit serial read or write control. In the read transfer cycle, the memory cell data of the HM53461P-10 is transferred from a selected word line of the RAM port to the data register. The ARM port of the HM53461P-10 has a write mask capability in addition to the conventional operation mode. Write bit selection out of 4 data bit can be achieved.
Parametrics
HM53461P-10 absolute maximum ratings: (1)voltage on any pin relative to VSS, VT: -1.0 to 7.0V; (2)power supply voltage relative to VSS, VCC: -0.5 to 7.0V; (3)operating temeprature, TA (ambient), Topr: 0 to 70℃; (4)storage temperature, Tstg: -55 to 125℃; (5)short circuit output current, Iout: 50mA; (6)power dissipation, PT: 1.0W.
Features
HM53461P-10 features: (1)multiport organization; (2)double layer polysilicon/polyicide n-well CMOS process; (3)single 5V; (4)low power; (5)cycle time random read or write cycle time; (6)TTL compatible; (7)256 refresh cycles; (8)refresh function; (9)data transfer operation; (10)fast serial access operation asynchronized with RAM port except data transfer cycle; (11)real time read transfer capability; (12)write mask mode capability.
Diagrams
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