DS2155L+ Maxim Integrated Products, DS2155L+ Datasheet - Page 209

• Manufacturer Part Number: DS2155L+
• Description: IC TXRX T1/E1/J1 1-CHIP 100-LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS2155L+

• Function: Single-Chip Transceiver
• Interface: E1, HDLC, J1, T1
• Number Of Circuits: 1
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Includes: BERT Generator and Detector, CMI Coder and Decoder, HDLC Controller
• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 35-3. Receive-Side Boundary Timing (Elastic Store Disabled)
Note 1: RCHBLK is programmed to block channel 24.
Note 2: Shown is RLINK/RLCLK in the ESF framing mode.
Figure 35-4. Receive-Side 1.544MHz Boundary Timing (Elastic Store
Enabled)
Note 1: RSYNC is in the output mode (IOCR1.4 = 0).
Note 2: RSYNC is in the input mode (IOCR1.4 = 1).
Note 3: RCHBLK is programmed to block channel 24.
RCHBLK 1
RCHBLK
RSYSCLK
RFSYNC
RCHCLK
RMSYNC
RCHCLK
RSYNC
RSYNC
RLINK 2
RLCLK
RSYNC
RSER
RCLK
RSIG
RSIG
RSER
2
1
3
CHANNEL 23
CHANNEL 23
CHANNEL 23
A
CHANNEL 23
A
B
B
C/A D/B
C/A D/B
LSB
LSB
MSB
MSB
209 of 238
CHANNEL 24
CHANNEL 24
CHANNEL 24
CHANNEL 24
A
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