HT27LC020
Pin Assignment
V P P
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
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
G N D
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
V C C
P G M
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
A 7
A 6
A 5
A 4
A 3
A 2
A 1
A 0
D Q 0
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
8
7
6
5
A 1 7
P G M
V C C
3 0
3 1
3 2
V P P
A 1 6
A 1 5
A 1 2
4
G N D
D Q 2
D Q 1
3
2
1
2 9
2 8
2 7
A 1 4
A 1 3
A 8
A 9
A 1 1
O E
A 1 0
C E
D Q 7
H T 2 7 L C 0 2 0
3 2 P L C C -A
2 6
2 5
2 4
2 3
2 2
2 1
A 1 1
A 9
A 8
A 1 3
A 1 4
A 1 7
P G M
V C C
V P P
A 1 6
A 1 5
A 1 2
A 7
A 6
A 5
A 4
2
3
4
5
7
8
9
6
1
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
1 1
1 2
1 3
1 4
1 5
1 6
1 0
H T 2 7 L C 0 2 0
3 2 T S O P -A
O E
A 1
C E
D Q
D Q
D Q
D Q
D Q
0
G N
D Q
D Q
D Q
A 0
A 1
A 2
A 3
7
6
5
4
3
D
2
1
0
D Q 5
D Q 4
D Q 3
D Q 6
H T 2 7 L C 0 2 0
3 2 D IP -A /S O P -A
Pin Description
Pin Name
A0~A17
DQ0~DQ7
CE
OE
PGM
NC
VPP
I/O/C/P
I
I/O
C
C
C
¾
P
Address inputs
Data inputs/outputs
Chip enable
Output enable
Program strobe
No connection
Program voltage supply
Description
Absolute Maximum Rating
Operation Temperature Commercial ............................................................................................................0°C to 70°C
Storage Temperature.............................................................................................................................-65°C to 125
°C
Applied VCC Voltage with Respect to GND...............................................................................................
-0.6V
to 7.0V
Applied Voltage on Input Pin with Respect to GND....................................................................................
-0.6V
to 7.0V
Applied Voltage on Output Pin with Respect to GND.........................................................................
-0.6V
to V
CC
+0.5V
Applied Voltage on A9 Pin with Respect to GND .....................................................................................
-0.6V
to 13.5V
Applied VPP Voltage with Respect to GND ..............................................................................................-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.
Rev. 1.50
2
December 8, 2003
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
