hi-1579pst Holt Integrated Circuits, Inc., hi-1579pst Datasheet - Page 9

• Manufacturer Part Number: hi-1579pst
• Description: 3.3v Monolithic Dual Transceivers
• Manufacturer: Holt Integrated Circuits, Inc.

PACKAGE DIMENSIONS
44-PIN PLASTIC CHIP-SCALE PACKAGE
inches (millimeters)
Package Type: 44PCS
.276
.203 ± .006
BSC
(7.00)
(5.15 ± .15)
.020
BSC
(0.50)
.276
.203 ± .006
Top View
Bottom
BSC
(7.00)
(5.15 ± .15)
View
.010
typ
(0.25)
.016 ± .002
Electrically isolated heat sink
.039
(0.40 ± .05)
max
.008
pad on bottom of package.
typ
(1.00)
Connect to any ground or
(0.2)
power plane for optimum
thermal dissipation.
BSC = “Basic Spacing between Centers”
is theoretical true position dimension and
has no tolerance. (JEDEC Standard 95)
HOLT INTEGRATED CIRCUITS
9