(Hong Kong)
Product Summary
The UPD431000A is a high speed, low power, and 1,048,576 bits (131,072 words by 8 bits) CMOS static RAM.The UPD431000A has two chip enable pins (/CE1, CE2) to extend the capacity. And battery backup is available. Inaddition to this, A and B versions are low voltage operations. The UPD431000A is packed in 32-pin PLASTIC DIP, 32-pin PLASTIC SOP and 32-pin PLASTIC TSOP (I) (8 × 13.4mm) and (8 × 20 mm).
Parametrics
UPD431000A absolute maxium rating: (1)Supply voltage, VCC:–0.5 Note to +7.0V; (2)Input, Output voltage,VT:–0.5 Note to VCC + 0.5V; (3)Operating ambient temperature,TA: 0 to 70 ℃; (4)Storage temperature,Tstg:–55 to +125 ℃.
Features
UPD431000A features (1)131,072 words by 8 bits organization; (2)Fast access time: 70, 85, 100, 120, 150 ns (MAX.); (3)Low voltage operation (A version: VCC = 3.0 to 5.5 V, B version: VCC = 2.7 to 5.5 V); (4)Operating ambient temperature: TA = 0 to 70℃; (5)Low VCC data retention: 2.0 V (MIN.); (6)Output Enable input for easy application; (7)Two Chip Enable inputs: CE1, CE2.
Diagrams
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