鈥?/div>
Backward Compatible With ATV2500H/L Software
Proven and Reliable High Speed UV EPROM Process
Reprogrammable - Tested 100% for Programmability
40-Pin Dual-In-Line and 44-Pin 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
Bidirectional
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.
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
LCC/PLCC
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
Rev. 0249F鈥?6/98
1