AT27C516 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
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AT27C516 Datasheet PDF : 8 Pages
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Block Diagram
AT27C516
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 (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 overshoot
to +7.0V for pulses of less than 20 ns.
Operating Modes
Mode \ Pin
Read
Output Disable
Standby
Rapid Program (2)
PGM Verify
PGM Inhibit
CE
OE
VIL
VIL
X
VIH
VIH
X
VIL
VIH
VIL
VIL
VIH
X
Product Identification (4)
VIL
VIL
Notes: 1. X can be VIL or VIH.
2. Refer to Programming characteristics.
3. VH = 12.0 ± 0.5V.
PGM
Ai
X (1)
Ai
VPP
Outputs
X
DOUT
X
X
X
High Z
X
X
X (5)
High Z
VIL
Ai
VPP
DIN
VIH
Ai
VPP
DOUT
X
X
VPP
High Z
X
A9 = VH (3)
A0 = VIH or VIL
A1 - A14 = VIL
VCC
Identification
Code
4. Two identifier words 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
word and high (VIH) to select the Device Code word.
5. Standby VCC current (ISB) is specified with VPP = VCC. VCC >
VPP will cause a slight increase in ISB.
3-147
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