DS21552L+ Maxim Integrated Products, DS21552L+ Datasheet - Page 45

• Manufacturer Part Number: DS21552L+
• Description: IC TXRX T1 1-CHIP 5V 100-LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS21552L+

• Function: Single-Chip Transceiver
• Interface: E1, HDLC, J1, T1
• Number Of Circuits: 1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Includes: DSX-1 and CSU Line Build-Out Generator, HDLC Controller, In-Band Loop Code Generator and Detector
• Product: Framer
• Number Of Transceivers: 1
• Data Rate: 64 Kbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 75 mA (Typ)
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Ic Interface Type: Parallel, Serial
• Supply Voltage Range: 4.75V To 5.25V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: LQFP
• No. Of Pins: 100
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Table 7-1 RECEIVE T1 LEVEL INDICATION
LORC
FRCL
–
–
–
RL1
0
0
1
1
RIR3.3
RIR3.2
RIR3.1
RIR3.0
RIR3.4
bits of its limit; useful for debugging jitter attenuation operation.
Loss of Receive Clock. Set when the RCLKI pin has not transitioned for at least 2 us (4
ms max).
Framer Receive Carrier Loss. Set when 192 consecutive zeros have been received at
the RPOSI and RNEGI pins; allowed to be cleared when 14 or more ones out of 112
possible bit positions are received.
Not Assigned. Could be any value when read.
Not Assigned. Could be any value when read.
Not Assigned. Could be any value when read.
RL0
0
1
0
1
45 of 137
TYPICAL LEVEL RECEIVED
–15 dB to –22.5 dB
–7.5 dB to –15 dB
less than –22.5 dB
+2 dB to –7.5 dB
DS21352/DS21552