TMC2250A datasheet(3/23 Pages) FAIRCHILD

Part #	TMC2250A

Description	Matrix Multiplier 12 x 10 bit, 50 MHz

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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TMC2250A

PRODUCT SPECIFICATION

REV. 1.0.2 10/25/00

3

Table 2. Bit Weightings for Input and Output Data Words

Note: A minus sign indicates a two’s complement sign bit.

Bit Weights

211

210

29

28

27

26

25

24

23

22

21

20 .2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9

Inputs

All Modes

Data A, B, C

-I11

I10

I9

I8

I7

I6

I5

I4

I3

I2

I1

I0 .

Coefficients

KA, KB, KC

-K9 .K8 K7 K6 K5 K4 K3 K2 K1 K0

Modes 01,

10, 11 CASIN

-CI15 CI14 CI13 CI12 CI11 CI10 CI9 CI8 CI7 CI6 CI5 CI4 .CI3 CI2 CI1 CI0

Internal Sum

X20 X19 X18 X17 X16 X15 X14 X13 X12 X11 X10 X9 .X8 X7 X6 X5 X4 X3 X2 X1 X0

Outputs

Mode 00

X, Y, Z

-O11 O10 O9

O8

O7

O6 O5 O4 O3 O2 O1 O0 .

Modes 01,

10, 11

CASOUT

-

CO15

CO1

4

CO1

3

CO1

2

CO1

1

CO1

0

CO

9

CO

8

CO

7

CO

6

CO

5

CO4 .CO

3

CO

2

CO

1

CO

0

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