LC4256C-3F256AI View Datasheet(PDF) - Lattice Semiconductor

Part Name

Description

Manufacturer

LC4256C-3F256AI

3.3V/2.5V/1.8V In-System Programmable SuperFAST High Density PLDs

Lattice Semiconductor 

Lattice Semiconductor

ispMACH 4000V/B/C/Z Family Data Sheet

ispMACH 4000V/B/C/Z Power Supply and NC Connections1

Signal

44-pin TQFP2

48-pin TQFP2

56-ball csBGA3

100-pin TQFP2

128-pin TQFP2

VCC

11, 33

12, 36

K2, A9

25, 40, 75, 90

32, 51, 96, 115

VCCO0

VCCO (Bank 0)

6

6

F3

13, 33, 95

3, 17, 30, 41, 122

VCCO1

VCCO (Bank 1)

28

30

E8

45, 63, 83

58, 67, 81, 94, 105

GND

12, 34

13, 37

H3, C8

1, 26, 51, 76

1, 33, 65, 97

GND (Bank 0) 5

5

D3

7, 18, 32, 96

10, 24, 40, 113, 123

GND (Bank 1) 27

29

G8

46, 57, 68, 82

49, 59, 74, 88, 104

NC

—

—

4032Z: A8, B10, E1,

E3, F8, F10, J1, K3

—

—

1. All grounds must be electrically connected at the board level. However, for the purposes of I/O current loading, grounds are associated with

the bank shown.

2. Pin orientation follows the conventional order from pin 1 marking of the top side view and counter-clockwise.

3. Pin orientation A1 starts from the upper left corner of the top side view with alphabetical order ascending vertically and numerical order

ascending horizontally.

43

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