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AT27LV040A Datasheet(PDF) 3 Page - ATMEL Corporation

Part No. AT27LV040A
Description  4 Megabit 512K x 8 Low Voltage OTP CMOS EPROM
Download  9 Pages
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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AT27LV040A Datasheet(HTML) 3 Page - ATMEL Corporation

   
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Operating Modes
Mode \ Pin
CE
OE
Ai
VPP
VCC
Outputs
Read (2)
VIL
VIL
Ai
X
(1)
VCC
(2)
DOUT
Output Disable (2)
XVIH
XX
VCC
(2)
High Z
Standby (2)
VIH
XXX
VCC
(2)
High Z
Rapid Program (3)
VIL
VIH
Ai
VPP
VCC
(3)
DIN
PGM Verify (3)
XVIL
Ai
VPP
VCC
(3)
DOUT
PGM Inhibit (3)
VIH
VIH
XVPP
VCC
(3)
High Z
Product Identification (3, 5)
VIL
VIL
A9 = VH
(4)
A0 = VIH or VIL
A1 - A18 = VIL
XVCC
(3)
Identification
Code
Notes: 1. X can be VIL or VIH.
2. Read, output disable, and standby modes
require, 3.0V
≤ VCC ≤ 3.6V, or 4.5V ≤ VCC ≤ 5.5V.
3. Refer to Programming Characteristics. Programming
modes require VCC = 6.5V.
4. VH = 12.0
± 0.5V.
5. Two identifier bytes may be selected. All Ai inputs are held
low (VIL), except A9 which is set to VH and A0 which is tog-
gled low (VIL) to select the Manufacturer’s Identification byte
and high (VIH) to select the Device Code byte.
Temperature Under Bias .................. -40°C to +85°C
Storage Temperature...................... -65°C to +125°C
Voltage on Any Pin with
Respect to Ground......................... -2.0V to +7.0V
(1)
Voltage on A9 with
Respect to Ground ...................... -2.0V to +14.0V
(1)
VPP Supply Voltage with
Respect to Ground....................... -2.0V to +14.0V
(1)
*NOTICE: Stresses beyond those listed under “Absolute Maxi-
mum Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of the
device at these or any other conditions beyond those indi-
cated in the operational sections of this specification is not
implied. Exposure to absolute maximum rating conditions
for extended periods may affect device reliability.
Note:
1. Minimum voltage is -0.6V dc which may undershoot
to -2.0V for pulses of less than 20 ns. Maximum
output pin voltage is VCC + 0.75V dc which may
be exceeded if certain precautions are observed
(consult application notes) and which may over-
shoot to +7.0 volts for pulses of less than 20 ns.
Absolute Maximum Ratings*
Block Diagram
AT27LV040A
3-117


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