DS21348TN+ Maxim Integrated Products, DS21348TN+ Datasheet - Page 4

• Manufacturer Part Number: DS21348TN+
• Description: IC LIU T1/E1/J1 3.3V 44-TQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS21348TN+

• Number Of Drivers/receivers: 1/1
• Protocol: T1/E1/J1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP, 44-VQFP
• Product: Framer
• Number Of Transceivers: 1
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 100 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS21348/DS21Q348
LIST OF FIGURES
Figure 1-1. DS21348 Block Diagram ..........................................................................................................7
Figure 1-2. Receive Logic...........................................................................................................................8
Figure 1-3. Transmit Logic..........................................................................................................................9
Figure 2-1. Parallel Port Mode Pinout (BIS1 = 0, BIS0 = 1 or 0) (TQFP Package) ..................................22
Figure 2-2. Serial Port Mode Pinout (BIS1 = 1, BIS0 = 0) (TQFP Package) ............................................23
Figure 2-3. Hardware Mode Pinout (BIS1 = 1, BIS0 = 1) (TQFP Package) .............................................24
Figure 3-1. Serial Port Operation for Read Access (R = 1) Mode 1 .........................................................27
Figure 3-2. Serial Port Operation for Read Access Mode 2 .....................................................................27
Figure 3-3. Serial Port Operation for Read Access Mode 3 .....................................................................27
Figure 3-4. Serial Port Operation for Read Access Mode 4 .....................................................................28
Figure 3-5. Serial Port Operation for Write Access (R = 0) Modes 1 and 2..............................................28
Figure 3-6. Serial Port Operation for Write Access (R = 0) Modes 3 and 4..............................................28
Figure 7-1. Basic Interface .......................................................................................................................52
Figure 7-2. Protected Interface Using Internal Receive Termination........................................................53
Figure 7-3. Protected Interface Using External Receive Termination.......................................................54
Figure 7-4. E1 Transmit Pulse Template ..................................................................................................55
Figure 7-5. T1 Transmit Pulse Template ..................................................................................................56
Figure 7-6. Jitter Tolerance ......................................................................................................................57
Figure 7-7. Jitter Attenuation ....................................................................................................................57
Figure 8-1. 144-CSBGA (17mm x 17mm) Pinout .....................................................................................61
Figure 11-1. Intel Bus Read Timing (PBTS = 0, BIS1 = 0, BIS0 = 0) .......................................................65
Figure 11-2. Intel Bus Write Timing (PBTS = 0, BIS1 = 0, BIS0 = 0) .......................................................65
Figure 11-3. Motorola Bus Timing (PBTS = 1, BIS1 = 0, BIS0 = 0)..........................................................66
Figure 11-4. Intel Bus Read Timing (PBTS = 0, BIS1 = 0, BIS0 = 1) .......................................................68
Figure 11-5. Intel Bus Write Timing (PBTS = 0, BIS1 = 0, BIS0 = 1) .......................................................68
Figure 11-6. Motorola Bus Read Timing (PBTS = 1, BIS1 = 0, BIS0 = 1) ................................................69
Figure 11-7. Motorola Bus Write Timing (PBTS = 1, BIS1 = 0, BIS0 = 1) ................................................69
Figure 11-8. Serial Bus Timing (BIS1 = 1, BIS0 = 0) ................................................................................70
Figure 11-9. Receive Side Timing ............................................................................................................71
Figure 11-10. Transmit Side Timing .........................................................................................................72
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