HM514170DTT Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HM514170DTT

262,144-word × 16-bit Dynamic RAM

Hitachi -> Renesas Electronics 

HM51(S)4170D Series, HM51(S)4270D Series

Capacitance (Ta = 25°C, VCC = 5 V ± 10%)

Parameter

Symbol Typ

Max

Unit

Notes

Input capacitance (Address)

CI1

—

5

pF

1

Input capacitance (Clocks)

CI2

—

7

pF

1

Output capacitance (Data-in, Data-out)

CI/O

—

10

pF

1, 2

Notes: 1. Capacitance measured with Boonton Meter or effective capacitance measuring method.

2. CAS = VIH to disable Dout.

AC Characteristics (Ta = 0 to +70°C, VCC = 5 V ± 10%, VSS = 0 V)*1, *14, *15, *17, *18

Test Conditions

• Input rise and fall time: 5 ns

• Input timing reference levels: 0.8 V, 2.4 V

• Input levels: 0 V, 3 V

• Output load: 2 TTL gate + CL (100 pF) (Including scope and jig)

11

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