AT27C512R-12 ATMEL Corporation, AT27C512R-12 Datasheet - Page 3

• Manufacturer Part Number: AT27C512R-12
• Description: 512K 64K x 8 OTP CMOS EPROM
• Manufacturer: ATMEL Corporation

Block Diagram
Operating Modes
Notes: 1. X can be V
Mode \ Pin
Read
Output Disable
Standby
Rapid Program
PGM Inhibit
Product Identification
2. Refer to Programming Characteristics.
3. V
H
= 12.0
(2)
IL
0.5V.
or V
(4)
IH
.
V
V
CE
V
V
V
V
IH
IH
IL
IL
IL
IL
OE/V
X
V
V
V
V
V
PP
PP
IH
(1)
IL
IL
Absolute Maximum Ratings*
*NOTICE: Stresses beyond those listed under “Absolute Maxi-
Note:
4. Two identifier bytes may be selected. All Ai inputs are held
PP
Temperature Under Bias ................ -55°C to +125°C
Storage Temperature...................... -65°C to +150°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
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.
low (V
gled low (V
and high (V
PP
Supply Voltage with
1. Minimum voltage is -0.6V dc which may undershoot
IL
), except A9 which is set to V
to -2.0V for pulses of less than 20 ns. Maximum out-
put pin voltage is V
shoot to +7.0V for pulses of less than 20 ns.
IL
IH
) to select the Manufacturer’s Identification byte
) to select the Device Code byte.
A0 = V
A1 - A15 = V
A9 = V
X
Ai
Ai
Ai
X
IH
X
(1)
(1)
H
or V
AT27C512R
3
CC
IL
IL
+ 0.75V dc which may over-
H
Outputs
D
High Z
High Z
D
High Z
Identification Code
and A0 which is tog-
OUT
IN
3-137
(1)
(1)
(1)