ATV2500B Datasheet, PDF (1/18 Pages) ATMEL Corporation – High-Speed High-Density UV Erasable Programmable Logic Device

Features
• High Performance, High Density Programmable Logic Device
– Typical 7 ns Pin-to-Pin Delay
– Fully Connected Logic Array With 416 Product Terms
• Flexible Output Macrocell
– 48 Flip-Flops - Two per Macrocell
– 72 Sum Terms
– All Flip-Flops, I/O Pins Feed In Independently
– Achieves Over 80% Gate Utilization
• Enhanced Macrocell Configuration Selections
– D- or T-Type Flip-Flops
– Product Term or Direct Input Pin Clocking
– Registered or Combinatorial Internal Feedback
• Several Power Saving Options
Device
ATV2500B
I_CC, Stand-By
110 mA
ATV2500BQ 30 mA
ATV2500BL 2 mA
ATV2500BQL 2 mA
• 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
High-Speed
High-Density
UV Erasable
Programmable
Logic Device
ATV2500B
Pin Configurations
DIP
Pin Name
IN
CLK/IN
I/O
I/O 0,2,4..
I/O 1,3,5..
GND
VCC
Function
Logic Inputs
Pin Clock and
Input
Bidirectional
Buffers
“Even” I/O Buffers
“Odd” I/O Buffers
Ground
+5V Supply
Note:
For ATV2500BQ and
ATV2500BQL (PLCC/LCC
package only) pin 4 and
pin 26 connections are not
required.
LCC/PLCC
CLK/IN 1
IN 2
IN 3
I/O0 4
I/O1 5
I/O2 6
I/O3 7
I/O4 8
I/O5 9
VCC 10
I/O17 11
I/O16 12
I/O15 13
I/O14 14
I/O13 15
I/O12 16
IN 17
IN 18
IN 19
IN 20
40 IN
39 IN
38 IN
37 IN
36 I/O6
35 I/O7
34 I/O8
33 I/O9
32 I/O10
31 I/O11
30 GND
29 I/O23
28 I/O22
27 I/O21
26 I/O20
25 I/O19
24 I/O18
23 IN
22 IN
21 IN
Rev. 0249F–06/98
1