LH521028 Просмотр технического описания (PDF) - Sharp Electronics

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LH521028

CMOS 64K × 18 Static RAM

Sharp Electronics 

LH521028

AC TEST CONDITIONS

PARAMETER

Input Pulse Levels

Input Rise and Fall Times

Input and Output Timing Ref. Levels

Output Load, Timing Tests

RATING

VSS to 3 V

5 ns

1.5 V

Figure 3

CAPACITANCE 1,2

PARAMETER

RATING

CIN (Input Capacitance)

5 pF

CDQ (I/O Capacitance)

7 pF

NOTES:

1. Capacitances are maximum values at 25oC measured at 1.0 MHz

with VBias = 0 V and VCC = 5.0 V.

2. Guaranteed but not tested.

CMOS 64K × 18 Static RAM

+5 V

480 Ω

DQ PINS

255 Ω

CLOAD=30 pF *

* INCLUDES JIG AND SCOPE CAPACITANCES

521028-13

Figure 3. Output Load Circuit

4-216

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