DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 31

• Manufacturer Part Number: DS21Q55
• Description: IC TXRX QUAD T1/E1/J1 SCT 256BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q55

• Function: Transceiver
• Interface: E1, J1, T1
• Number Of Circuits: 4
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 256-BGA
• Includes: BERT Generator and Detector, Dual HDLC Controllers
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -

W16
M18
PIN
A15
R17
C14
D17
V14
A12
K18
A13
U12
V11
D16
D13
B15
U17
B14
T17
E17
P17
M4
M3
A4
N2
K4
A2
D3
G2
A3
H2
R3
A1
C2
R4
E3
B4
E1
L1
L3
F1
F2
RLOS/LOTC1
RLOS/LOTC2
RLOS/LOTC3
RLOS/LOTC4
RMSYNC1
RMSYNC3
RMSYNC4
RMSYNC2
RFSYNC1
RFSYNC2
RFSYNC3
RFSYNC4
RCLKO1
RNEGO1
RNEGO2
RNEGO3
RNEGO4
RCLKO2
RCLKO3
RCLKO4
RLCLK1
RLCLK2
RLCLK3
RLCLK4
RD (DS)
RLINK1
RLINK2
RLINK3
RLINK4
RNEGI1
RNEGI2
RNEGI3
RNEGI4
RCLKI1
RCLKI2
RCLKI3
RCLKI4
RPOSI1
RPOSI2
RCLK3
RCLK4
NAME
TYPE
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
Receive Clock Output from the Framer, Transceiver #3
Receive Clock Output from the Framer, Transceiver #4
Receive Clock Input for the LIU, Transceiver #1
Receive Clock Input for the LIU, Transceiver #2
Receive Clock Input for the LIU, Transceiver #3
Receive Clock Input for the LIU, Transceiver #4
Receive Clock Output from the LIU, Transceiver #1
Receive Clock Output from the LIU, Transceiver #2
Receive Clock Output from the LIU, Transceiver #3
Receive Clock Output from the LIU, Transceiver #4
Read Input (Data Strobe), Active Low
Receive Frame Sync (before the receive elastic store),
Transceiver #1
Receive Frame Sync (before the receive elastic store),
Transceiver #2
Receive Frame Sync (before the receive elastic store),
Transceiver #3
Receive Frame Sync (before the receive elastic store),
Transceiver #4
Receive Link Clock, Transceiver #1
Receive Link Clock, Transceiver #2
Receive Link Clock, Transceiver #3
Receive Link Clock, Transceiver #4
Receive Link Data, Transceiver #1
Receive Link Data, Transceiver #2
Receive Link Data, Transceiver #3
Receive Link Data, Transceiver #4
Receive Loss of Sync/Loss of Transmit Clock, Transceiver #1
Receive Loss of Sync/Loss of Transmit Clock, Transceiver #2
Receive Loss of Sync/Loss of Transmit Clock, Transceiver #3
Receive Loss of Sync/Loss of Transmit Clock, Transceiver #4
Receive Multiframe Sync, Transceiver #1
Receive Multiframe Sync, Transceiver #2
Receive Multiframe Sync, Transceiver #3
Receive Multiframe Sync, Transceiver #4
Receive Negative Data for the Framer, Transceiver #1
Receive Negative Data for the Framer, Transceiver #2
Receive Negative Data for the Framer, Transceiver #3
Receive Negative Data for the Framer, Transceiver #4
Receive Negative Data from the LIU, Transceiver #1
Receive Negative Data from the LIU, Transceiver #2
Receive Negative Data from the LIU, Transceiver #3
Receive Negative Data from the LIU, Transceiver #4
Receive Positive Data for the Framer, Transceiver #1
Receive Positive Data for the Framer, Transceiver #2
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FUNCTION