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5.
Absolute maximum ratings*
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 A 9 with
respect to ground . . . . . . . . . . . . . . . .-2.0V to +14.0V
V PP supply voltage with
respect to ground. . . . . . . . . . . . . . . . .-2.0V to +14.0V
*Notice: Stresses beyond those listed under “Absolute
maximum 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. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
6.
6.1
Elelectrical Characteristics
DC and AC characteristics
Table 6-1.
Operating modes
Product Identification
Mode/Pin
Read
Output Disable
Standby
Rapid Program (2)
PGM Verify
PGM Inhibit
(4)
CE
V IL
X
V IH
V IL
X
V IH
V IL
OE
V IL
V IH
X
V IH
V IL
V IH
V IL
Ai
Ai
X
X
Ai
Ai
X
A 9 = V H (3)
A 0 = V IH or V IL
A 1 – A 18 = V IL
V PP
X (1)
X
X
V PP
V PP
V PP
X
Outputs
D OUT
High Z
High Z
D IN
D OUT
High Z
Identification Code
Notes: 1.
2.
3.
4.
X can be V IL or V IH .
Refer to programming characteristics.
V H = 12.0 ± 0.5V.
Two identifier bytes may be selected. All Ai inputs are held low (V IL ), except A 9 , which is set to V H , and A 0 ,
which is toggled low (V IL ) to select the manufacturer’s identification byte and high (V IH ) to select the device
code byte.
Atmel AT27C040 [DATASHEET]
0189J–EPROM–10/2012
3
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