28C04A データシートの表示（PDF） - Microchip Technology
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28C04A Datasheet PDF : 10 Pages
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28C04A
TABLE 1-3: READ OPERATION AC CHARACTERISTICS
AC Testing Waveform: VIH = 2.4V; VIL = 0.45V; VOH = 2.0V; VOL = 0.8V
Output Load:
1 TTL Load + 100 pF
Input Rise and Fall Times: 20 ns
Ambient Temperature: Commercial (C): Tamb = 0°C to +70°C
Industrial (I): Tamb = -40°C to +85°C
Parameter
Sym
28C04A-15
Min Max
28C04A-20
Min Max
28C04A-25
Min Max
Units
Conditions
Address to Output Delay
tACC
150
200
250 ns OE = CE = VIL
CE to Output Delay
tCE
150
200
250
ns OE = VIL
OE to Output Delay
tOE
70
80
100
ns CE = VIL
CE to OE High Output Float tOFF 0
50
0
55
0
70
ns
Output Hold from Address, CE tOH
0
0
0
ns
or OE, whichever occurs first
Endurance
—
1M
—
1M
—
1M
— cycles 25°C, Vcc =
5.0V, Block
Mode (Note)
Note: This parameter is not tested but guaranteed by characterization. For endurance estimates in a specific appli-
cation, please consult the Total Endurance Model which can be obtained on our BBS or website.
FIGURE 1-1: READ WAVEFORMS
2004 Microchip Technology Inc.
DS11126H-page 3
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