DS21552L+ Maxim Integrated Products, DS21552L+ Datasheet - Page 111

• 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

Figure 21-3 RECEIVE SIDE BOUNDARY TIMING (with elastic store disabled)
Notes:
1. RCHBLK is programmed to block channel 24
2.
Figure 21-4 RECEIVE SIDE 1.544 MHz BOUNDARY TIMING (with elastic store
enabled)
Notes:
1. RSYNC is in the output mode (RCR2.3 = 0)
2. RSYNC is in the input mode (RCR2.3 = 1)
3. RCHBLK is programmed to block channel 24
RCHBLK
RSYSCLK
RCHBLK 1
RMSYNC
RCHCLK
RSYNC
RSYNC
RFSYNC
RCHCLK
Shown is RLINK/RLCLK in the ESF framing mode
RSYNC
RLINK 2
RLCLK
RSIG
RSER
RSER
RCLK
RSIG
2
3
1
CHANNEL 23
CHANNEL 23
CHANNEL 23
CHANNEL 23
A
A
B
B
C/A D/B
C/A D/B
LSB
LSB
MSB
MSB
111 of 137
CHANNEL 24
CHANNEL 24
CHANNEL 24
A
CHANNEL 24
A
B
B
C/A D/B
C/A D/B
LSB
LSB
F
F
MSB
MSB
CHANNEL 1
CHANNEL 1
CHANNEL 1
CHANNEL 1
A
A