MCM64PC64SG66 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MCM64PC64SG66

256K/512K Pipelined BurstRAM Secondary Cache Module for Pentium

Motorola => Freescale 

DATA RAMs AC OPERATING CONDITIONS AND CHARACTERISTICS

(VDD = 3.3 V + 10%, – 5% TJ = 20 to + 110°C, Unless Otherwise Noted)

Input Timing Measurement Reference Level . . . . . . . . . . . . . . . 1.5 V

Input Pulse Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 3.0 V

Input Rise/Fall Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ns

Output Timing Reference Level . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 V

Output Load . . . . . . . . . . . . . . See Figure 3 Unless Otherwise Noted

OUTPUT LOAD

OUTPUT

BUFFER

TEST POINT

(UNLOADED OUTPUT)

UNLOADED RISE AND FALL TIME MEASUREMENT

INPUT

WAVEFORM

OUTPUT

WAVEFORM

2.4

0.4

tr

tf

NOTES:

1. Input waveform should have a slew rate of 1 V/ns.

2. Rise time is measure from 0.4 V to 2.4 V unloaded.

3. Fall time is measure from 2.4 V to 0.4 V unloaded.

Figure 1. Unloaded Rise and Fall Time Characterization

2.4

0.4

MCM64PC32•MCM64PC64

8

MOTOROLA FAST SRAM

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