(Hong Kong)
Product Summary
The UPD43256BGU is a high speed low power and 144 bits (32,768 words by 8 bits) CMOS static RAM. Battery backup is available (L, LL, A, and B versions). And A and B versions are wide voltage operations. The UPD43256BGU is packed in 28-pin plastic DIP, 28-pin plastic SOP and 28-pin plastic TSOP (I).
Parametrics
UPD43256BGU absolute maximum ratings: (1)Supply voltage VCC: –0.5 to +7.0 V; (2)Input/Output voltage VT: –0.5 to VCC + 0.5 V; (3)Operating ambient temperature TA: 0 to 70 ℃; (4)Storage temperature Tstg: –55 to +125 ℃.
Features
UPD43256BGU features: (1)32,768 words by 8 bits organization; (2) Fast access time: 70, 85, 100, 120, 150 ns (MAX.); (3) Wide voltage range (A version: VCC = 3.0 to 5.5 V, B version: VCC = 2.7 to 5.5 V); (4)2 V data retention; (5) OE input for easy application.
Diagrams
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