29C256 查看數據表（PDF） - Atmel Corporation
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29C256 Datasheet PDF : 17 Pages
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AT29C256
DC and AC Operating Range
Operating
Temperature (Case)
Com.
Ind.
AT29C256-70
0°C - 70°C
-40°C - 85°C
VCC Power Supply
5V ± 5%
Note:
Not recommended for New Designs.
AT29C256-90
0°C - 70°C
-40°C - 85°C
5V± 10%
AT29C256-12
0°C - 70°C
-40°C - 85°C
5V± 10%
AT29C256-15
0°C - 70°C
-40°C - 85°C
5V± 10%
Operating Modes
Mode
Read
Program(2)
5V Chip Erase
Standby/Write Inhibit
Write Inhibit
Write Inhibit
Output Disable
High Voltage Chip Erase
Product Identification
Hardware
CE
OE
WE
VIL
VIL
VIH
VIL
VIH
VIL
VIL
VIH
VIL
VIH
X(1)
X
X
X
VIH
X
VIL
X
X
VIH
X
VIL
VH(3)
VIL
VIL
VIL
VIH
Software(5)
Notes:
1. X can be VIL or VIH.
2. Refer to AC Programming Waveforms.
3. VH = 12.0V ± 0.5V.
4. Manufacturer Code: 1F, Device Code: DC.
5. See details under Software Product Identification Entry/Exit.
DC Characteristics
Ai
I/O
Ai
DOUT
Ai
DIN
Ai
X
High Z
High Z
X
High Z
A1-A14 = VIL, A9 = VH, A0 = VIL
A1-A14 = VIL, A9 = VH, A0 = VIH
A0 = VIL
A0 = VIH
Manufacturer Code(4)
Device Code(4)
Manufacturer Code(4)
Device Code(4)
Symbol
ILI
ILO
ISB1
ISB2
ICC
VIL
VIH
VOL
VOH1
VOH2
Parameter
Input Load Current
Output Leakage Current
VCC Standby Current CMOS
VCC Standby Current TTL
VCC Active Current
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Output High Voltage CMOS
Condition
VIN = 0V to VCC
VI/O = 0V to VCC
CE = VCC - 0.3V to VCC
CE = 2.0V to VCC
f = 5 MHz; IOUT = 0 mA
IOL = 2.1 mA
IOH = -400 µA
IOH = -100 µA; VCC = 4.5V
Min
Max
Units
10
µA
10
µA
300
µA
3
mA
50
mA
0.8
V
2.0
V
0.45
V
2.4
V
4.2
V
5
0046P–FLASH–10/04
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