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AT27C2048 Datasheet, PDF (4/9 Pages) ATMEL Corporation – 2-Megabit 128K x 16 OTP EPROM
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DC and AC Operating Conditions for Read Operation
Operating
Temperature
(Case)
VCC Power Supply
Com.
Ind.
-55
0°C - 70°C
-40°C - 85°C
5V ± 10%
-70
0°C - 70°C
-40°C - 85°C
5V ± 10%
AT27C2048
-90
0°C - 70°C
-40°C - 85°C
5V ± 10%
-12
0°C - 70°C
-40°C - 85°C
5V ± 10%
-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
ILO
IPP1(2)
Input Load Current
Output Leakage Current
VPP(1) Read/Standby Current
ISB
VCC(1) Standby Current
ICC
VCC Active Current
VIL
Input Low Voltage
VIH
Input High Voltage
VOL Output Low Voltage
VOH Output High Voltage
VIN = 0V to VCC
VOUT = 0V to VCC
VPP = VCC
ISB1 (CMOS)
CE = VCC ± 0.3V
ISB2 (TTL)
CE = 2.0 to VCC + 0.5V
f = 5 MHz, IOUT = 0 mA,
CE = VIL
IOL = 2.1 mA
IOH = -400 µA
±1
µA
±5
µA
10
µA
100
µA
1
mA
35
mA
-0.6
0.8
V
2.0
VCC + 0.5
V
0.4
V
2.4
V
Notes: 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
Symbol
tACC(3)
tCE(2)
tOE(2)(3)
tDF(4)(5)
tOH(4)
Parameter
Address to
Output Delay
CE to Output Delay
OE to Output Delay
OE or CE High to
Output Float,
whichever occurred
first
Output Hold from
Address, CE or OE,
whichever occurred
first
Condition
CE = OE
= VIL
OE = VIL
CE = VIL
-55
Min Max
-70
Min Max
AT27C2048
-90
Min Max
-12
Min Max
-15
Min Max
Units
55
70
90
120
150 ns
55
70
90
120
150 ns
20
30
35
40
50 ns
20
20
20
30
35 ns
7
7
0
0
0
ns
Notes: 1. 2, 3, 4, 5. See the AC Waveforms for Read Operation diagram.
4
AT27C2048
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