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AT28C64B Datasheet(PDF) 5 Page - ATMEL Corporation

Part # AT28C64B
Description  64K (8K x 8) Parallel EEPROM with Page Write and Software Data Protection
Download  18 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT28C64B Datasheet(HTML) 5 Page - ATMEL Corporation

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5
0270L–PEEPR–2/09
AT28C64B
Notes:
1. X can be VIL or VIH.
2. See “AC Write Waveforms” on page 8.
3. V
H = 12.0V ±0.5V.
5.
DC and AC Operating Range
AT28C64B-15
Operating Temperature (Case)
-40°C - 85°C
VCC Power Supply
5V
±10%
6.
Operating Modes
Mode
CE
OE
WE
I/O
Read
V
IL
V
IL
V
IH
D
OUT
Write(2)
V
IL
V
IH
V
IL
D
IN
Standby/Write Inhibit
VIH
X(1)
X
High Z
Write Inhibit
X
X
V
IH
Write Inhibit
X
V
IL
X
Output Disable
X
VIH
X
High Z
Chip Erase
V
IL
V
H
(3)
V
IL
High Z
7.
Absolute Maximum Ratings*
Temperature Under Bias................................ -55°C to +125°C
*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
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
8.
DC Characteristics
Symbol
Parameter
Condition
Min
Max
Units
ILI
Input Load Current
VIN = 0V to VCC + 1V
10
µA
I
LO
Output Leakage Current
V
I/O = 0V to VCC
10
µA
ISB1
VCC Standby Current CMOS
CE = VCC - 0.3V to VCC + 1V
100
µA
ISB2
VCC Standby Current TTL
CE = 2.0V to VCC + 1V
2
mA
I
CC
V
CC Active Current
f = 5 MHz; I
OUT = 0 mA
40
mA
VIL
Input Low Voltage
0.8
V
V
IH
Input High Voltage
2.0
V
V
OL
Output Low Voltage
I
OL = 2.1 mA
0.40
V
VOH
Output High Voltage
IOH = -400 µA
2.4
V


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