LULXT9785MBC.D0-865133 Cortina Systems Inc, LULXT9785MBC.D0-865133 Datasheet - Page 49
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LULXT9785MBC.D0-865133
Manufacturer Part Number
LULXT9785MBC.D0-865133
Description
Manufacturer
Cortina Systems Inc
Datasheet
1.LULXT9785MBC.D0-865133.pdf
(221 pages)
Specifications of LULXT9785MBC.D0-865133
Lead Free Status / RoHS Status
Compliant
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LXT9785/LXT9785E
Datasheet
249241, Revision 11.0
16 April 2007
Table 15
Cortina Systems
Power Supply Signal Descriptions – PQFP (Sheet 2 of 2)
®
1. Type Column Coding: I = Input, O = Output, OD = Open Drain output, ST = Schmitt Triggered input, TS =
38, 48, 57,
109, 123,
9, 19, 30,
120, 126,
135, 141,
106, 112,
113, 127,
LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
138, 152
183, 195
199, 207
149, 155
134, 148
74, 188,
Pin/Ball Designation
99, 163
66, 79,
PQFP
Three-State-able output, SL = Slew-rate Limited output, IP = weak Internal Pull-up, ID = weak Internal pull-
Down.
179
D10, D15,
R15, R17,
U10, U12,
U14, U16,
E13, E17,
N9, N11,
C5, C13,
C17, D1,
F13, H8,
H9, H10,
M5, M13
P13, R7,
R9, R11,
P14, R1,
T17, U2,
E9, E11,
J10, K8,
R13, U8
K9, K10
N6, N7,
D3, D6,
R3, R5,
U4, U6,
A1, A9,
B3, B7,
E5, E7,
P5, P6,
J8, J9,
PBGA
N12
U17
K14
–
GNDPECL
Symbol
GNDIO
GNDD
GNDR
GNDT
SGND
VCCT
Type
-
-
-
-
-
-
-
Signal Description
Analog Power Supply - Transmit.
+2.5 V supply for all analog transmit circuits.
Digital Ground.
Ground return for core digital supplies (VCCD). All
ground pins can be tied together using a single ground
plane.
Digital GND - I/O Ring.
Ground return for digital I/O circuits (VCCIO).
Digital GND - PECL Signal Detect Inputs.
Ground return for PECL Signal Detect input circuits.
Analog Ground - Receive.
Ground return for receive analog supply. All ground
pins can be tied together using a single ground plane.
Analog Ground - Transmit.
Ground return for transmit analog supply. All ground
pins can be tied together using a single ground plane.
Substrate Ground.
Ground for chip substrate. All ground pins can be tied
together using a single ground plane.
3.2 PQFP Signal Descriptions
Page 49
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