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HN58V256AT-12 Datasheet(PDF) 6 Page - Hitachi Semiconductor |
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HN58V256AT-12 Datasheet(HTML) 6 Page - Hitachi Semiconductor |
6 / 24 page HN58V256A Series, HN58V257A Series 6 Capacitance (Ta = 25°C, f = 1 MHz) Parameter Symbol Min Typ Max Unit Test conditions Input capacitance* 1 Cin — — 6 pF Vin = 0 V Output capacitance* 1 Cout — — 12 pF Vout = 0 V Note: 1. This parameter is periodically sampled and not 100% tested. AC Characteristics (Ta = 0 to +70°C, V CC = 2.7 to 5.5 V) Test Conditions • Input pulse levels: 0.4 V to 2.4 V (V CC 3.6V), 0.4V to 3.0 V (V CC > 3.6 V) 0 V to V CC (RES pin* 2) • Input rise and fall time: ≤ 5 ns • Input timing reference levels: 0.8, 1.8 V • Output load: 1TTL Gate +100 pF • Output reference levels: 1.5 V, 1.5 V Read Cycle HN58V256A/HN58V257A -12 Parameter Symbol Min Max Unit Test conditions Address to output delay t ACC — 120 ns CE = OE = V IL, WE = VIH CE to output delay t CE — 120 ns OE = V IL, WE = VIH OE to output delay t OE 10 60 ns CE = V IL, WE = VIH Address to output hold t OH 0— ns CE = OE = V IL, WE = VIH OE (CE) high to output float* 1 t DF 040 ns CE = V IL, WE = VIH RES low to output float* 1, 2 t DFR 0 350 ns CE = OE = V IL, WE = VIH RES to output delay* 2 t RR 0 600 ns CE = OE = V IL, WE = VIH |
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