5962-8863401UX データシートの表示（PDF） - Atmel Corporation
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5962-8863401UX Datasheet PDF : 25 Pages
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AT28HC256
5. DC and AC Operating Range
Operating
Temperature (Case)
VCC Power Supply
Com.
Ind.
Mil.
AT28HC256-70
0°C - 70°C
-40°C - 85°C
5V ± 10%
AT28HC256-90
0°C - 70°C
-40°C - 85°C
-55°C - 125°C
5V ± 10%
AT28HC256-12
0°C - 70°C
-40°C - 85°C
-55°C - 125°C
5V ± 10%
6. Operating Modes
Mode
CE
Read
VIL
Write(2)
VIL
Standby/Write Inhibit
VIH
Write Inhibit
X
Write Inhibit
X
Output Disable
X
Chip Erase
VIL
Notes: 1. X can be VIL or VIH.
2. Refer to AC programming waveforms.
3. VH = 12.0V ± 0.5V.
7. Absolute Maximum Ratings*
Temperature under Bias ................................ -55°C to +125°C
Storage Temperature ..................................... -65°C to +150°C
All Input Voltages
(including NC Pins)
with Respect to Ground ...................................-0.6V to +6.25V
All Output Voltages
with Respect to Ground .............................-0.6V to VCC + 0.6V
Voltage on OE and A9
with Respect to Ground ...................................-0.6V to +13.5V
OE
VIL
VIH
X(1)
X
VIL
VIH
VH(3)
WE
I/O
VIH
DOUT
VIL
DIN
X
High Z
VIH
X
X
High Z
VIL
High Z
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect
device reliability
8. DC Characteristics
Symbol Parameter
Condition
Min
ILI
Input Load Current
VIN = 0V to VCC + 1V
ILO
Output Leakage Current
VI/O = 0V to VCC
AT28HC256-90, -12
ISB1
VCC Standby Current TTL
CE = 2.0V to VCC
AT28HC256-70
ISB2
VCC Standby Current CMOS CE = VCC - 0.3V to VCC AT28HC256-90, -12
ICC
VCC Active Current
f = 5 MHz; IOUT = 0 mA
VIL
Input Low Voltage
VIH
Input High Voltage
2.0
VOL
Output Low Voltage
IOL = 6.0 mA
VOH
Output High Voltage
IOH = -4 mA
2.4
0007J–PEEPR–04/05
Max
Units
10
µA
10
µA
3
mA
60
mA
300
µA
80
mA
0.8
V
V
0.45
V
V
5
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