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MSM548262 Datasheet

Part Number MSM548262
Manufacturers OKI electronic
Logo OKI electronic
Description Multiport DRAM
Datasheet MSM548262 DatasheetMSM548262 Datasheet (PDF)

E2L0016-17-Y1 www.DataSheet4U.com ¡ Semiconductor ¡ Semiconductor MSM548262 262,144-Word ¥ 8-Bit Multiport DRAM This version: Jan. 1998 MSM548262 Previous version: Dec. 1996 DESCRIPTION The MSM548262 is a 2-Mbit CMOS multiport DRAM composed of a 262,144-word by 8-bit dynamic RAM, and a 512-word by 8-bit SAM. Its RAM and SAM operate independently and asynchronously. It supports three types of operations: random access to RAM port, high speed serial access to SAM port, and bidirectional transfe.

  MSM548262   MSM548262






Part Number MSM548263
Manufacturers OKI electronic
Logo OKI electronic
Description Multiport DRAM
Datasheet MSM548262 DatasheetMSM548263 Datasheet (PDF)

E2L0017-17-Y1 www.DataSheet4U.com ¡ Semiconductor ¡ Semiconductor MSM548263 262,144-Word ¥ 8-Bit Multiport DRAM This version: Jan. 1998 MSM548263 Previous version: Dec. 1996 DESCRIPTION The MSM548263 is a 2-Mbit CMOS multiport DRAM composed of a 262,144-word by 8-bit dynamic RAM, and a 512-word by 8-bit SAM. Its RAM and SAM operate independently and asynchronously. It supports three types of operations: random access to RAM port, high speed serial access to SAM port, and bidirectional transfe.

  MSM548262   MSM548262







Multiport DRAM

E2L0016-17-Y1 www.DataSheet4U.com ¡ Semiconductor ¡ Semiconductor MSM548262 262,144-Word ¥ 8-Bit Multiport DRAM This version: Jan. 1998 MSM548262 Previous version: Dec. 1996 DESCRIPTION The MSM548262 is a 2-Mbit CMOS multiport DRAM composed of a 262,144-word by 8-bit dynamic RAM, and a 512-word by 8-bit SAM. Its RAM and SAM operate independently and asynchronously. It supports three types of operations: random access to RAM port, high speed serial access to SAM port, and bidirectional transfer of data between any selected row in the RAM port and the SAM port. In addition to the conventional multiport DRAM operating modes, the MSM548262 features block write, flash write functions on the RAM port and a split data transfer capability on the SAM port. The SAM port requires no refresh operation because it uses static CMOS flipflops. FEATURES • RAS only refresh • Single power supply: 5 V ± 10% • CAS before RAS refresh • Full TTL compatibility • Hidden refresh • Multiport organization • Serial read/write RAM : 256K word ¥ 8 bits • 512 tap location SAM : 512 word ¥ 8 bits • Bidirectional data transfer • Fast page mode • Split transfer • Write per bit • Masked write transfer • Masked flash write • Refresh: 512 cycles/8 ms • Masked block write • Package options: 40-pin 400 mil plastic SOJ (SOJ40-P-400-1.27) (Product : MSM548262-xxJS) 44/40-pin 400 mil plastic TSOP (Type II)(TSOPII44/40-P-400-0.80-K)(Product : MSM548262-xxTS-K) xx indicates speed rank. PRODUCT FAMILY Family MSM5482.


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