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AT28BV256 数据表(PDF) 6 Page - ATMEL Corporation

部件名 AT28BV256
功能描述  256K (32K x 8) Battery-Voltage Parallel EEPROMs
PDF  17 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT28BV256 数据表(HTML) 6 Page - ATMEL Corporation

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6
0273K–PEEPR–2/09
AT28BV256
Notes:
1. X can be VIL or VIH.
2. Refer to AC programming waveforms.
3. V
H = 12.0V ± 0.5V.
6.
DC and AC Operating Range
AT28BV256-20
Operating Temperature (Case)
-40°C - 85°C
V
CC Power Supply
2.7V - 3.6V
7.
Operating Modes
Mode
CE
OE
WE
I/O
Read
V
IL
V
IL
V
IH
D
OUT
Write(2)
VIL
VIH
VIL
DIN
Standby/Write Inhibit
VIH
X(1)
X
High Z
Write Inhibit
X
X
V
IH
Write Inhibit
X
VIL
X
Output Disable
X
VIH
X
High Z
Chip Erase
V
IL
V
H
(3)
V
IL
High Z
8.
DC Characteristics
Symbol
Parameter
Condition
Min
Max
Units
I
LI
Input Load Current
V
IN = 0V to VCC + 1V
10
µA
I
LO
Output Leakage Current
V
I/O = 0V to VCC
10
µA
ISB
VCC Standby Current CMOS
CE = VCC - 0.3V to VCC + 1V
50
µA
I
CC
V
CC Active Current
f = 5 MHz; I
OUT = 0 mA
15
mA
V
IL
Input Low Voltage
0.6
V
VIH
Input High Voltage
2.0
V
V
OL
Output Low Voltage
I
OL = 1.6 mA
0.3
V
V
OH
Output High Voltage
I
OH = -100 µA
2.0
V



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