MCM44H64 View Datasheet(PDF) - Motorola => Freescale
Part Name
Description
Manufacturer
MCM44H64 Datasheet PDF : 8 Pages
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WRITE CYCLE 1 (WE Controlled, See Notes 1 and 2)
–12
Parameter
Symbol Min Max
Address Setup Time
tAVWL
5
—
A0 Setup Time
Address Valid to End of Write
tA0VWL
0
—
tAVWH
12
—
A0 Valid to End of Write
Write Pulse Width
tA0VWH 10
—
tWLWH
7
—
tWLEH
Data Valid to End of Write
Data Hold Time
tDVWH
6
—
tWHDX
0
—
Write Low to Data High–Z
Write High to Output Active
Write Recovery Time
tWLQZ
0
4
tWHQX
3
—
tWHAX
0
—
Write Recovery Time – A0
tWHA0X
0
—
NOTES:
1. A write occurs during the overlap of DCS or TCS low and WE low.
2. Enable timings are the same for both DCS and TCS.
3. Transition is measured 200 mV from steady–state voltage with load of Figure 1B.
4. This parameter is sampled and not 100% tested.
–15
Min Max
5
—
0
—
15
—
12
—
10
—
7
—
0
—
0
5
3
—
0
—
0
—
–17
Min Max Unit Notes
5
—
ns
0
—
ns
17
—
ns
14
—
ns
12
—
ns
8
—
ns
0
—
ns
0
6
ns
3, 4
3
—
ns
3, 4
0
—
ns
0
—
ns
A1 – A15
A0
DCS/TCS
(DATA/TAG ENABLE)
WE (WRITE ENABLE)
D (DATA IN)
Q (DATA OUT)
WRITE CYCLE 1
tAVWH
tA0VWL
tAVWL
HIGH–Z
tWLQZ
tA0VWH
tWLEH
tWLWH
tDVWH
DATA VALID
HIGH–Z
tWHAX
tWHA0X
tWHDX
tWHQX
MCM4464 SERIES
6
MOTOROLA FAST SRAM
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