鈥?/div>
Backward Compatible with ATV2500H/L Software
Proven and Reliable High-speed UV EPROM Process
Reprogrammable 鈥?Tested 100% for Programmability
40-lead Dual-in-line and 44-lead Surface Mount Packages
Block Diagram
Pin Configurations
Pin Name
IN
CLK/IN
I/O
I/O 0,2,4..
I/O 1,3,5..
GND
VCC
Note:
Function
Logic Inputs
Pin Clock and
Input
Bi-directional
Buffers
鈥淓ven鈥?I/O Buffers
鈥淥dd鈥?I/O Buffers
Ground
+5V Supply
For ATV2500BQ and
ATV2500BQL (PLCC/LCC
package only) pin 4 and
pin 26 connections are not
required.
I/O2
I/O3
I/O4
I/O5
VCC
VCC
I/O17
I/O16
I/O15
I/O14
I/O13
7
8
9
10
11
12
13
14
15
16
17
LCC/PLCC
I/O1
I/O0
GND
IN
IN
CLK/IN
IN
IN
IN
IN
I/O06
DIP
CLK/IN
IN
IN
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
VCC
I/O17
I/O16
I/O15
I/O14
I/O13
I/O12
IN
IN
IN
IN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
IN
IN
IN
IN
I/O6
I/O7
I/O8
I/O9
I/O10
I/O11
GND
I/O23
I/O22
I/O21
I/O20
I/O19
I/O18
IN
IN
IN
6
5
4
3
2
1
44
43
42
41
40
I/O12
IN
IN
IN
IN
IN
IN
IN
GND
I/O18
I/O19
18
19
20
21
22
23
24
25
26
27
28
39
38
37
36
35
34
33
32
31
30
29
I/O7
I/O8
I/O9
I/O10
I/O11
GND
GND
I/O23
I/O22
I/O21
I/O20
Rev. 0249J鈥?5/00
1