參數(shù)資料
型號： ATF2500CQ-25PC
廠商： ATMEL CORP
元件分類： PLD
英文描述： EE PLD, 25 ns, PDIP40
封裝： 0.600 INCH, PLASTIC, DIP-40
文件頁數(shù)： 1/34頁
文件大小： 700K
代理商： ATF2500CQ-25PC
1
Features
High-performance, High-density, Electrically-erasable Programmable Logic Device
Fully Connected Logic Array with 416 Product Terms
10 ns Maximum Pin-to-pin Delay for 5V Operation
Low-power Edge-sensing “L” Option with <1 mA Standby Current
24 Flexible Output Macrocells
– 48 Flip-flops – Two per Macrocell
– 72 Sum Terms
– All Flip-flops, I/O Pins Feed in Independently
D- or T-type Flip-flops
Product Term or Direct Input Pin Clocking
Registered or Combinatorial Internal Feedback
Backward Compatible with ATV2500B/BQL and ATV2500H/L Software
Advanced Electrically-erasable Technology
– Reprogrammable
– 100% Tested
44-lead Surface Mount Package
Block Diagram
Description
The ATF2500C is the highest-density PLD available in a 44-pin package. With its fully
connected logic array and flexible macrocell structure, high gate utilization is easily
obtainable. The ATF2500C is a high-performance CMOS (electrically-erasable) pro-
grammable logic device (PLD) that utilizes Atmel’s proven electrically-erasable
technology.
ATF2500C
CPLD Family
Datasheet
ATF2500C
ATF2500CL
ATF2500CQ
ATF2500CQL
Preliminary
Rev. 0777F–08/01
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
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
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
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
PLCC/LCC/JLCC
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
I/O17
I/O16
I/O15
I/O14
I/O13
I/O7
I/O8
I/O9
I/O10
I/O11
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
I/O18
I/O19
I/O1
I/O0
GND
IN
CLK/IN
IN
I/O6
Note:
For ATF2500CQ and ATF2500CQL
(PLCC/LCC packages) pin 4 and pin
26 GND connections are not required.
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PDF描述
ATF2500CQ-25PI EE PLD, 25 ns, PDIP40
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