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28LV64A Datasheet(PDF) 3 Page - Microchip Technology

Part No. 28LV64A
Description  64K (8K x 8) Low Voltage CMOS EEPROM
Download  8 Pages
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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28LV64A Datasheet(HTML) 3 Page - Microchip Technology

   
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© 1996 Microchip Technology Inc.
Preliminary
DS21113B-page 3
28LV64A
TABLE 1-3:
READ OPERATION AC CHARACTERISTICS
FIGURE 1-1:
READ WAVEFORMS
AC Testing Waveform:
Output Load:
Input Rise and Fall Times:
Ambient Temperature:
VIH = 2.0V; VIL = 0.6V; VOH = VOL = VCC/2
1 TTL Load + 100 pF
20 ns
Commercial (C): Tamb =
0
°C to +70°C
Industrial
(I) : Tamb = -40
°C to +85°C
Parameter
Sym
28LV64-30
Units
Conditions
Min
Max
Address to Output Delay
tACC
300
ns
OE = CE = VIL
CE to Output Delay
tCE
300
ns
OE = VIL
OE to Output Delay
tOE
150
ns
CE = VIL
CE or OE High to Output Float
tOFF
060
ns
(Note 1)
Output Hold from Address, CE or
OE, whichever occurs first.
tOH
0—
ns
(Note 1)
Endurance
10M
cycles
25
°C, Vcc = 5.0V,
Block Mode (Note 2)
Note 1: Not 100% tested.
2: This parameter is not tested but guaranteed by characterization. For endurance estimates in a specific
application, please consult the Total Endurance Model which can be obtained on our BBS or website.
Address
CE
VIH
VIL
VIH
VIL
VIH
VIL
OE
Data
WE
VOH
VOL
VIH
VIL
Address Valid
High Z
Valid Output
tACC
(1) tOFF is specified for OE or CE, whichever occurs first
(2) OE may be delayed up to tCE - tOE after the falling edge of CE without impact on tCE
(3) This parameter is sampled and is not 100% tested
High Z
tOH
tOFF(1,3)
Notes:
tOE(2)
tCE(2)


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