AT27LV020A-15 ATMEL [ATMEL Corporation], AT27LV020A-15 Datasheet - Page 3

• Manufacturer Part Number: AT27LV020A-15
• Description: 2 Megabit 256K x 8 Low Voltage OTP EPROM
• Manufacturer: ATMEL [ATMEL Corporation]

Block Diagram
Operating Modes
Notes:
Mode \ Pin
Read
Output Disable
Standby
Rapid Program
PGM Verify
PGM Inhibit
Product Identification
(2)
1. X can be V
2. Read, output disable, and standby modes require,
3. Refer to Programming Characteristics. Programming
4. V
(2)
3.0V
modes require V
(3)
(3)
H
= 12.0 ± 0.5V.
(2)
(3)
V
CC
(3, 5)
IL
or V
3.6V, or 4.5V
CC
IH
.
= 6.5V.
V
V
CE
V
V
V
V
X
IH
IH
IL
IL
IL
IL
V
CC
5.5V.
OE
V
V
V
V
V
X
X
IH
IH
IL
IL
IL
PGM
X
V
V
X
X
X
X
IH
(1)
IL
Absolute Maximum Ratings*
*NOTICE: Stresses beyond those listed under “Absolute Maxi-
Note:
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
Voltage on A9 with
Respect to Ground ..................................... -2.0V to +14.0V
V
Respect to Ground......................................-2.0V to +14.0V
A0 = V
A1 - A17 = V
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 indicated in the
operational sections of this specification is not implied. Expo-
sure to absolute maximum rating conditions for extended peri-
ods may affect device reliability.
PP
A9 = V
Supply Voltage with
Ai
Ai
Ai
Ai
X
X
X
IH
1.
5. Two identifier bytes may be selected. All Ai inputs are
H
or V
(4)
held low (V
which is toggled low (V
Identification byte and high (V
Code byte.
Minimum voltage is -0.6V dc which may undershoot
to -2.0V for pulses of less than 20 ns.Maximum out-
put pin voltage is V
exceeded if certain precautions are observed (con-
sult application notes) and which may overshoot to
+7.0 volts for pulses of less than 20 ns.
IL
IL
V
V
V
V
IL
X
X
PP
X
PP
PP
PP
X
), except A9 which is set to VH and A0
V
V
V
V
V
V
V
CC
V
CC
CC
CC
CC
CC
CC
CC
CC
IL
+ 0.75V dc which may be
) to select the Manufacturer’s
(2)
(2)
(2)
(3)
(3)
(3)
(3)
IH
Outputs
D
High Z
High Z
D
D
High Z
Identification Code
) to select the Device
OUT
IN
OUT
(1)
(1)
(1)
3