MCM8A10 Ver la hoja de datos (PDF) - Motorola => Freescale
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MCM8A10 Datasheet PDF : 8 Pages
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WRITE CYCLE 1 (W Controlled, See Notes 1 and 2)
MCM8A10–15
Parameter
Symbol
Min
Max
Unit Notes
Write Cycle Time
tAVAV
15
—
ns
3
Address Setup Time
Address Valid to End of Write
Write Pulse Width
tAVWL
0
tAVWH
12
tWLWH,
12
tWLEH
—
ns
—
ns
—
ns
Data Valid to End of Write
Data Hold TIme
tDVWH
7
tWHDX
0
—
ns
—
ns
Write Low to Data High–Z
tWLQZ
0
6
ns 4, 5, 6
Write High to Output Active
tWHQX
5
—
ns 4, 5, 6
Write Recovery Time
tWHAX
0
—
ns
NOTES:
1. A write occurs during the overlap of E low and W low.
2. Product sensitivities to noise require proper grounding and decoupling of power supplies as well as minimization or elimination of bus
contention conditions during read and write cycles.
3. All timings are referenced from the last valid address to the first transitioning address.
4. Transition is measured ± 500 mV from steady–state voltage with load of Figure 1b.
5. This parameter is sampled and not 100% tested.
6. At any given voltage and temperature, tWLQZ max is less than tWHQX min both for a given device and from device to device.
A (ADDRESS)
E (CHIP ENABLE)
W (WRITE ENABLE)
D (DATA IN)
Q (DATA OUT)
WRITE CYCLE 1 (W Controlled See Notes 1 and 2)
tAVAV
tAVWH
tAVWL
HIGH–Z
tWLQZ
tWLWH
tWLEH
tDVWH
DATA VALID
HIGH–Z
tWHAX
tWHDX
tWHQX
MCM8A10
6
MOTOROLA FAST SRAM
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