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AT27C800 Datasheet, PDF (4/10 Pages) ATMEL Corporation – 8-Megabit 512K x 16 or 1024K x 8 UV Erasable EPROM
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DC and AC Operating Conditions for Read Operation
Operating Temperature (Case)
VCC Power Supply
Com.
Ind.
-10
0°C - 70°C
-40°C - 85°C
5V ± 10%
AT27C800
-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
ILI
ILO
IPP1(2)
Parameter
Input Load Current
Output Leakage Current
VPP(1) Read/Standby Current
VCC(1) Standby Current
ISB
VCC Active Current
VIL
Input Low Voltage
VIH
Input High Voltage
VOL
Output Low Voltage
VOH
Output High Voltage
Condition
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 = 5MHz, IOUT = 0 mA,
CE = VIL
IOL= 2.1 mA
IOH = -400 mA
Min
Max
Units
±1.0
µA
±5.0
µA
±10
µA
100
µA
1.0
mA
50
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)
Parameter
Address to Output Delay
CE to Output Delay
OE to Output Delay
OE or CE High to Output Float,
whichever occured first
Condition
CE = OE = VIL
OE = VIL
CE = VIL
tOH(4)
Output Hold from Address CE or OE,
whichever occured first
tST
BYTE High to Output Valid
tSTD
BYTE Low to Output Transition
Notes: 2,3,4,5. See the AC Waveforms for Read Operation diagram.
4
AT27C800
-10
Min Max
100
100
40
AT27C800
-12
Min Max
120
120
40
-15
Min Max
150
150
50
Units
ns
ns
ns
30
35
40 ns
5.0
5.0
5.0
ns
100
120
150 ns
40
50
60 ns
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