AT27LV020A-15 View Datasheet(PDF) - Atmel Corporation
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AT27LV020A-15 Datasheet PDF : 12 Pages
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AT27LV020A
Absolute Maximum Ratings*
Temperature Under Bias.................................. -40°C to +85°C
Storage Temperature ..................................... -65°C to +125°C
Voltage on any Pin with
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
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.
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
overshoot to +7.0V for pulses of less than 20 ns.
Operating Modes
Mode/Pin
CE
OE PGM
Ai
VPP
VCC
Outputs
Read(2)
VIL
VIL
X(1)
Ai
X
VCC(2)
DOUT
Output Disable(2)
X
VIH
X
X
X
VCC(2) High Z
Standby(2)
VIH
X
X
X
X
VCC(2) High Z
Rapid Program(3)
VIL
VIH
VIL
Ai
VPP
VCC(3)
DIN
PGM Verify(3)
VIL
VIL
VIH
Ai
VPP
VCC(3)
DOUT
PGM Inhibit(3)
VIH
X
X
X
VPP
VCC(3) High Z
Product Identification(3)(5)
A9 = VH(4)
VIL
VIL
X
A0 = VIH or VIL
A1 - A17 = VIL
X
VCC(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 toggled
low (VIL) to select the Manufacturer’s Identification byte and high (VIH) to select the Device Code byte.
3
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