AT27C040-12 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
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AT27C040-12 Datasheet PDF : 13 Pages
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DC and AC Operating Conditions for Read Operation
Operating
Temperature (Case)
VCC Power Supply
Com.
Ind.
AT27C040-70
0°C - 70°C
-40°C - 85°C
5V ± 10%
AT27C040-90
0°C - 70°C
-40°C - 85°C
5V ± 10%
AT27C040-12
0°C - 70°C
-40°C - 85°C
5V ± 10%
AT27C040-15
0°C - 70°C
-40°C - 85°C
5V ± 10%
DC and Operating Characteristics for Read Operation
Symbol Parameter
Condition
Min
Max
Units
ILI
Input Load Current
VIN = 0V to VCC
±1
µA
ILO
Output Leakage Current
VOUT = 0V to VCC
±5
µA
IPP1(2)
VPP(1) Read/Standby Current VPP = VCC
10
µA
ISB
VCC1(1) Standby Current
ISB1 (CMOS), CE = VCC ± 0.3V
100
µA
ISB2 (TTL), CE = 2.0 to VCC + 0.5V
1
mA
ICC
VCC Active Current
f = 5 MHz, IOUT = 0 mA, CE = VIL
30
mA
VIL
Input Low Voltage
-0.6
0.8
V
VIH
Input High Voltage
2.0
VCC + 0.5
V
VOL
Output Low Voltage
IOL = 2.1 mA
0.4
V
VOH
Notes:
Output High Voltage
IOH = -400 µA
2.4
V
1. VCC must be applied simultaneously or before VPP, and removed simultaneously or after VPP.
2. VPP may be connected directly to VCC, except during programming. The supply current would then be the sum of ICC and IPP.
AC Characteristics for Read Operation
-70
Symbol Parameter
Condition Min Max
tACC(3)
Address to Output Delay
CE = OE
70
= VIL
tCE(2)
CE to Output Delay
OE = VIL
70
tOE(2)(3)
OE to Output Delay
CE = VIL
30
tDF(4)(5)
OE or CE High to Output Float, whichever
20
occurred first
tOH
Note:
Output Hold from Address, CE or OE,
0
whichever occurred first
1. 2, 3, 4, 5 – see AC Waveforms for Read Operation
AT27C040
-90
-12
Min Max Min Max
90
120
90
120
35
35
20
30
0
0
-15
Min Max
150
150
40
30
0
Units
ns
ns
ns
ns
ns
4 AT27C040
0189F–EPROM–4/03
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