MCM6206BBEJ12 데이터 시트보기 (PDF) - Motorola => Freescale
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MCM6206BBEJ12 Datasheet PDF : 8 Pages
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AC OPERATING CONDITIONS AND CHARACTERISTICS
(VCC = 5.0 V ± 10%, TA = 0 to + 70°C, Unless Otherwise Noted)
Input Timing Measurement Reference Level . . . . . . . . . . . . . . . 1.5 V
Input Pulse Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 3.0 V
Input Rise/Fall Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 ns
Output Timing Measurement Reference Level . . . . . . . . . . . . . 1.5 V
Output Load . . . . . . . . . . . . . . . . . . Figure 1 Unless Otherwise Noted
READ CYCLE (See Note 1)
– 12
– 15
– 20
– 25
Parameter
Symbol Min Max Min Max Min Max Min Max Unit Notes
Read Cycle Time
tAVAV
12
—
15
—
20
—
25
—
ns
2
Address Access Time
tAVQV
—
12
—
15
—
20
—
25
ns
Enable Access Time
tELQV
—
12
—
15
—
20
—
25
ns
3
Output Enable Access Time
tGLQV
—
6
—
8
—
10
—
12
ns
Output Hold from Address Change
tAXQX
3
—
3
—
3
—
3
—
ns 4,5,6
Enable Low to Output Active
tELQX
4
—
4
—
4
—
4
—
ns 4,5,6
Enable High to Output High–Z
tEHQZ
—
7
—
8
—
9
—
10
ns 4,5,6
Output Enable Low to Output Active
tGLQX
0
—
0
—
0
—
0
—
ns 4,5,6
Output Enable High to Output High–Z tGHQZ
—
6
—
7
—
8
—
10
ns 4,5,6
Power Up Time
tELICCH 0
—
0
—
0
—
0
—
ns
Power Down Time
tEHICCL —
12
—
15
—
20
—
25
ns
NOTES:
1. W is high for read cycle.
2. All timings are referenced from the last valid address to the first transitioning address.
3. Addresses valid prior to or coincident with E going low.
4. At any given voltage and temperature, tEHQZ (max) is less than tELQX (min), and tGHQZ (max) is less than tGLQX (min), both for a given
device and from device to device.
5. Transition is measured ±500 mV from steady–state voltage.
6. This parameter is sampled and not 100% tested.
7. Device is continuously selected (E = VIL, G = VIL).
OUTPUT
Z0 = 50 Ω
50 Ω
VL = 1.5 V
TIMING LIMITS
The table of timing values shows either a
minimum or a maximum limit for each param-
eter. Input requirements are specified from
the external system point of view. Thus, ad-
dress setup time is shown as a minimum
since the system must supply at least that
much time. On the other hand, responses
from the memory are specified from the de-
vice point of view. Thus, the access time is
shown as a maximum since the device never
provides data later than that time.
Figure 1. AC Test Loads
MOTOROLA FAST SRAM
MCM6206BB
3
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