AT27C520 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
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AT27C520 Datasheet PDF : 10 Pages
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DC and AC Operating Conditions for Read Operation
Operating Temp.(Case)
VCC Supply
Com.
Ind.
-70
0°C - 70°C
-40°C - 85°C
5V ± 10%
AT27C520
-90
0°C - 70°C
-40°C - 85°C
5V ± 10%
DC and Operating Characteristics for Read Operation
Symbol Parameter
ILI
ILI2(1)
Input Load Current
Input Load Current A13
ILO
Output Leakage Current
ICC
VCC Active Current
VIL
Input Low Voltage
VIH
Input High Voltage
VOL
Output Low Voltage
VOH
Output High Voltage
Note: 1. For address input A13 only.
Condition
VIN = 0V to VCC
VIN = 0V to VCC
VOUT = 0V to VCC
f = 5 MHz, IOUT = 0 mA
IOL = 2.1 mA
IOH = -400 µA
Min
Max Units
±1
µA
±100
µA
±5
µA
20
mA
-0.6
0.8
V
2.0
VCC + 0.5
V
0.4
V
2.4
V
AC Characteristics for Read Operation
Symbol
Parameter
Condition
tACC(2)
Address to Output Delay
ALE = OE/VPP = VIL
tAS
Address Setup Time
OE/VPP = VIH
tAH
Address Hold Time
OE/VPP = VIH
tALE
tOE(2)
tDF(3)(4)
Address Latch Enable Width
OE/VPP to Output Delay
OE/VPP High to Output Float
OE/VPP = VIH
ALE = VIL
ALE = VIL
tOH
Output Hold from Address or
OE/VPP , whichever occurred first
ALE = VIL
Notes: 1. 2, 3, 4 — see AC Waveforms for Read Operation
AT27C520
-70
-90
Min
Max
Min
Max
70
90
12
15
12
15
40
45
30
35
25
25
7
0
Units
ns
ns
ns
ns
ns
ns
ns
4
AT27C520
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