Rainbow Electronics ATV2500BQL User Manual
Pin configurations, Features, Block diagram
1
Note:
For ATV2500BQ and
ATV2500BQL (PLCC/LCC
package only) pin 4 and
pin 26 connections are not
required.
Pin Configurations
Pin Name
Function
IN
Logic Inputs
CLK/IN
Pin Clock and
Input
I/O
Bi-directional
Buffers
I/O 0,2,4..
“Even” I/O Buffers
I/O 1,3,5..
“Odd” I/O Buffers
GND
Ground
VCC
+5V Supply
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
•
Backward Compatible with ATV2500H/L Software
•
Proven and Reliable High-speed UV EPROM Process
•
Reprogrammable – Tested 100% for Programmability
•
40-lead Dual-in-line and 44-lead Surface Mount Packages
Block Diagram
Device
I
CC
, Standby
ATV2500B
110 mA
ATV2500BQ
30 mA
ATV2500BL
2 mA
ATV2500BQL
2 mA
Rev. 0249J–05/00
High-speed
High-density
UV-erasable
Programmable
Logic Device
ATV2500B
ATV2500BQ
ATV2500BQL
LCC/PLCC
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
I/O2
I/O3
I/O4
I/O5
VCC
VCC
I/O17
I/O16
I/O15
I/O14
I/O13
I/O7
I/O8
I/O9
I/O10
I/O11
GND
GND
I/O23
I/O22
I/O21
I/O20
6
5
4
3
2
1
44
43
42
41
40
18
19
20
21
22
23
24
25
26
27
28
I/O12
IN
IN
IN
IN
IN
IN
IN
GND
I/O18
I/O19
I/O1
I/O0
GND
IN
IN
CLK/IN
IN
IN
IN
IN
I/O06
DIP
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
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
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
Document Outline
- Pin Configurations
- Using “C” Product for Industrial
- Using “C” Product for Industrial
- Features
- Block Diagram
- Functional Logic Diagram ATV2500B
- Description
- Functional Logic Diagram Description
- Absolute Maximum Ratings*
- DC and AC Operating Conditions
- Pin Capacitance
- Output Logic, Registered(1)
- Output Logic, Combinatiorial(1)
- Clock Option
- DC Characteristics
- AC Waveforms(1) Input Pin Clock
- AC Waveforms(1) Product Term Clock
- Register AC Characteristics, Input Pin Clock
- Register AC Characteristics, Product Term Clock
- AC Waveforms(1) Combinatorial Outputs and Feedback
- AC Characteristics
- Input Test Waveforms and Measurement Levels
- Output Test Load
- Preload and Observability of Registered Outputs
- Power-up Reset
- Security Fuse Usage
- Atmel CMOS PLDs
- Using the ATV2500Bs Many Advanced Features
- Programming Software Support
- Erasure Characteristics
- Ordering Information (Continued)
- Using “C” Product for Industrial