ICS1894-43
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE PHYCEIVER
IDT®
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE 36
ICS1894-43 REV A 030112
Package Outline and Package Dimensions (40-pin 6mm x 6mm QFN)
Package dimensions are kept current with JEDEC Publication No. 95
Ordering Information
"LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant.
While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) assumes
no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No
other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications
such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not
recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT
does not authorize or warrant any IDT product for use in life support devices or critical medical instruments.
Millimeters
Symbol Min Max
A0.801.00
A1 0 0.05
A3 0.25 Reference
b0.180.30
e 0.50 BASIC
N40
N
D
10
N
E
10
D x E BASIC 6.00 x 6.00
D2 1.75 4.80
E2 1.75 4.80
L0.300.50
Part / Order Number Marking Shipping Packaging Package Temperature
1894KI-43LF see page 35 Tray 40-pin QFN -40 to +85° C
1894KI-43LFT Tape and Reel 40-pin QFN -40 to +85° C
1894K-43LF see page 35 Tray 40-pin QFN 0 to +70° C
1894K-43LFT Tape and Reel 40-pin QFN 0 to +70° C
Sawn
Singulation
1
2
N
E
D
Index Area
Top View
Seating Plane
A3
A1
C
A
L
E2
E2
2
D2
D2
2
e
C0.08
(Ref)
N
D
& N
E
Odd
(Ref)
N
D
& N
E
Even
(N
D
-1)x
(Ref)
e
N
1
2
b
Thermal Base
(Typ)
If N
D
& N
E
are Even
(N
E
-1)x
(Ref)
e
e
2
