
DS21455/DS21458 Quad T1/E1/J1 Transceivers
32 of 270
PIN
G3
W14
Y10
Y13
Y16
Y19
P1
J17
E4
W18
R2
T2
H19
J18
D4
D5
V20
W19
W1
F20
C11
U20
V10
A18
B8
L18
Y9
B19
B10
M19
V6
D19
C8
P20
W7
E18
A7
P19
V3
E20
D6
T18
W5
E19
C6
T19
R1
F19
D8
R20
T3
B20
D9
NAME
RSYSCLK3
RSYSCLK4
RTIP1
RTIP2
RTIP3
RTIP4
RVDD
RVDD
RVDD
RVDD
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
TCHBLK1
TCHBLK2
TCHBLK3
TCHBLK4
TCHCLK1
TCHCLK2
TCHCLK3
TCHCLK4
TCLK1
TCLK2
TCLK3
TCLK4
TCLKI1
TCLKI2
TCLKI3
TCLKI4
TCLKO1
TCLKO2
TCLKO3
TCLKO4
TLCLK1
TLCLK2
TLCLK3
TLCLK4
TLINK1
TLINK2
TLINK3
TLINK4
TNEGI1
TNEGI2
TNEGI3
TNEGI4
TNEGO1
TNEGO2
TNEGO3
TYPE
I
I
I
I
I
I
—
—
—
—
—
—
—
—
—
—
—
—
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
O
O
O
FUNCTION
Receive System Clock for Transceiver 3
Receive System Clock for Transceiver 4
Receive Analog Tip Input for Transceiver 1
Receive Analog Tip Input for Transceiver 2
Receive Analog Tip Input for Transceiver 3
Receive Analog Tip Input for Transceiver 4
Receive Analog Positive Supply
Receive Analog Positive Supply
Receive Analog Positive Supply
Receive Analog Positive Supply
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Transmit Channel Block for Transceiver 1
Transmit Channel Block for Transceiver 2
Transmit Channel Block for Transceiver 3
Transmit Channel Block for Transceiver 4
Transmit Channel Clock for Transceiver 1
Transmit Channel Clock for Transceiver 2
Transmit Channel Clock for Transceiver 3
Transmit Channel Clock for Transceiver 4
Transmit Clock for Transceiver 1
Transmit Clock for Transceiver 2
Transmit Clock for Transceiver 3
Transmit Clock for Transceiver 4
Transmit Clock Input for the LIU on Transceiver 1
Transmit Clock Input for the LIU on Transceiver 2
Transmit Clock Input for the LIU on Transceiver 3
Transmit Clock Input for the LIU on Transceiver 4
Transmit Clock Output from the Framer on Transceiver 1
Transmit Clock Output from the Framer on Transceiver 2
Transmit Clock Output from the Framer on Transceiver 3
Transmit Clock Output from the Framer on Transceiver 4
Transmit Link Clock for Transceiver 1
Transmit Link Clock for Transceiver 2
Transmit Link Clock for Transceiver 3
Transmit Link Clock for Transceiver 4
Transmit Link Data for Transceiver 1
Transmit Link Data for Transceiver 2
Transmit Link Data for Transceiver 3
Transmit Link Data for Transceiver 4
Transmit Negative-Data Input for the LIU on Transceiver 1
Transmit Negative-Data Input for the LIU on Transceiver 2
Transmit Negative-Data Input for the LIU on Transceiver 3
Transmit Negative-Data Input for the LIU on Transceiver 4
Transmit Negative-Data Output from Framer on Transceiver 1
Transmit Negative-Data Output from Framer on Transceiver 2
Transmit Negative-Data Output from Framer on Transceiver 3