AT27C400 データシートの表示（PDF） - Atmel Corporation
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AT27C400 Datasheet PDF : 10 Pages
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DC and AC Operating Conditions for Read Operation
Operating
Temperature
(Case)
Com.
Ind.
VCC Power Supply
-70
0°C - 70°C
-40°C - 85°C
5V ± 10%
AT27C400
-90
-12
0°C - 70°C
0°C - 70°C
-40°C - 85°C
-40°C - 85°C
5V ± 10%
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
ISB
VCC(1) Standby Current
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 = 5 MHz, IOUT = 0 mA,
CE = VIL
IOL = 2.1 mA
IOH = -400 µA
Min
Max
Units
±1
µA
±5
µA
10
µA
100
µA
1
mA
40
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 beofre 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(2)
tCE(2)
tOE(2)(3)
tDF(4)(5)
tOH(4)
tST
tSTD
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
BYTE High to Output Valid
BYTE Low to Output Transition
Condition
CE = OE
= VIL
OE = VIL
CE = VIL
-70
Min Max
70
70
30
AT27C400
-90
-12
Min Max Min Max
90
120
90
120
35
40
-15
Min Max
150
150
50
Units
ns
ns
ns
20
20
30
35 ns
5
5
5
5
ns
70
90
120
150 ns
40
40
50
60 ns
Notes: 2, 3, 4, 5. See the AC Waveforms for Read Operation diagram.
= Advance Information
4
AT27C400
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