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HT27LC040 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

Part No. HT27LC040
Description  CMOS 512K 8-Bit OTP EPROM
Download  15 Pages
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Maker  HOLTEK [Holtek Semiconductor Inc]
Homepage  http://www.holtek.com
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HT27LC040 Datasheet(HTML) 2 Page - Holtek Semiconductor Inc

 
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Pin Assignment
Pin Description
Pin Name
I/O/P
Description
VPP
P
Program voltage supply
A0~A18
I
Address inputs
DQ0~DQ7
I/O
Data inputs/outputs
VSS
¾
Negative power supply, ground
CE
I
Chip enable
OE
I
Output enable
VCC
¾
Positive power supply
Absolute Maximum Rating
Operation Temperature Commercial ............................................................................................................0
°Cto70°C
Storage Temperature.............................................................................................................................
-65°Cto125 °C
Applied VCC Voltage with Respect to VSS................................................................................................
-0.6V to 7.0V
Applied Voltage on Input Pin with Respect to VSS.....................................................................................
-0.6V to 7.0V
Applied Voltage on Output Pin with Respect to VSS .........................................................................
-0.6V to VCC+0.5V
Applied Voltage on A9 Pin with Respect to VSS ......................................................................................
-0.6V to 13.5V
Applied VPP Voltage with Respect to VSS...............................................................................................
-0.6V to 13.5V
Applied READ Voltage (Functionality is guaranteed between these limits) ................................................+3.0V to 3.6V
Note: These are stress ratings only. Stresses exceeding the range specified under
²Absolute Maximum Ratings² may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-
ity.
HT27LC040
Rev. 1.30
2
December 8, 2003
V C C
A 1 8
A 1 7
A 1 4
A 1 3
A 8
A 9
A 1 1
O E
A 1 0
C E
D Q 7
D Q 6
D Q 5
D Q 4
D Q 3
V P P
A 1 6
A 1 5
A 1 2
A 7
A 6
A 5
A 4
A 3
A 2
A 1
A 0
D Q 0
D Q 1
D Q 2
V S S
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
3 2
3 1
3 0
2 9
2 8
2 7
2 6
2 5
2 4
2 3
2 2
2 1
2 0
1 9
1 8
1 7
H T 2 7 L C 0 4 0
3 2 D I P / S O P
5
6
7
8
9
1 0
1 1
1 2
1 3
2 9
2 7
2 6
2 5
2 4
2 3
2 2
2 1
2 8
H T 2 7 L C 0 4 0
3 2 P L C C
A 7
A 6
A 5
A 4
A 3
A 2
A 1
A 0
D Q 0
A 1 4
A 8
A 9
A 1 1
A 1 0
D Q 7
A 1 3
C E
O E
1
2
3
4
5
6
3 2
3 1
3 0
2 9
2 8
2 7
2 6
2 5
2 4
2 3
2 2
2 1
2 0
1 9
1 8
1 7
A 1 1
A 9
A 8
A 1 3
A 1 4
A 1 7
A 1 8
V C C
V P P
A 1 6
A 1 5
A 1 2
A 7
A 6
A 5
A 4
O E
A 1 0
C E
D Q 7
D Q 6
D Q 5
D Q 4
D Q 3
G N D
D Q 2
D Q 1
D Q 0
A 0
A 1
A 2
A 3
H T 2 7 L C 0 4 0
3 2 T S O P - A
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6


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