MCM69P819TQ4 Просмотр технического описания (PDF) - Motorola => Freescale

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MCM69P819TQ4

256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM

Motorola => Freescale 

5

4

OUTPUT

3

CL

2

1

0

0

20

40

60

80

100

LUMPED CAPACITANCE, CL (pF)

Figure 3. Lumped Capacitive Load and Typical Derating Curve

OUTPUT LOAD

OUTPUT

BUFFER

TEST POINT

INPUT

WAVEFORM

UNLOADED RISE AND FALL TIME MEASUREMENT

2.0

0.5

2.0

0.5

OUTPUT

WAVEFORM

2.0

0.5

tr

NOTES:

1. Input waveform has a slew rate of 1 V/ns.

2. Rise time is measured from 0.5 to 2.0 V unloaded.

3. Fall time is measured from 2.0 to 0.5 V unloaded.

2.0

0.5

tf

Figure 4. Unloaded Rise and Fall Time Characterization

MOTOROLA FAST SRAM

MCM69P819

11

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