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PT8300 V1.8

- 19 -

February, 2006

16-Bit I/O Expander IC

PT8300

Dimension in Inches

Symbol

Min.

Typ.

Max.

A

0.053

-

0.069

A1

0.004

-

0.010

A2

0.049

-

0.065

b

0.008

-

0.012

c

0.006

-

0.010

D

0.390 BSC.

E

0.236 BSC.

E1

0.154 BSC.

e

0.025 BSC.

L

0.016

-

0.050

L1

0.041 REF.

R

0.003

-

-

R1

0.003

-

-

θ

0

°

-

8

°

5

°

-

15

°

0

°

-

-

Notes:

1. Dimensioning and tolerancing per ASME Y14.5M-1994.

2. Dimensions in Inches (Angles in Degrees)

3. Dimension D does not include mold flash, protrusions or gate burrs. Mold flash, protrusions or gate

burrs shall not exceed 0.006 inches per end. Dimension E1 does not include interlead flashor

protrusion. Interlead flash or protrusion shall not exceed 0.006 inches per side. D and E1

dimensions are determined at datum H.

4. The package top may be smaller than the package bottom. Dimensions D and E1 are determined at

the outermost extremes of the plastic body exclusive of mold flash, tie bar burrs, gate burrs and

interlead flash, but including any mismatch between the top and bottom of the plastic body.

5. Datums A & B to be determined at datum H.

6. The dimensions apply to the flat section of the lead between 0.004 to 0.010 inches from the lead tip.

7. Dimension b does not include dambar protrusion. Allowable dambar protrusion shall be 0.004

inches total in excess of the b dimension at maximum material condition. The dambar cannot be

located on the lower radius of the foot.

8. Refer to JEDEC MO-137 Variation AF

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