| CS61581 |  | Cirrus Logic | Universal Line Interface Unit | Original | PDF | 407.19KB | 38 | 
| CS61581-CL |  | Cirrus Logic | Interface, T1/E1 Universal Line Interface | Original | PDF | 407.2KB | 38 | 
| CS61581-CP |  | Cirrus Logic | Interface, T1/E1 Universal Line Interface | Original | PDF | 407.2KB | 38 | 
| CS61581-IL |  | Cirrus Logic | T1/E1 universal line interface | Original | PDF | 407.19KB | 38 | 
| CS61581-IL |  | Crystal Semiconductor | T1/E1 Universal Line Interface | Scan | PDF | 1.55MB | 34 | 
| CS61581-ILR |  | Cirrus Logic | Interface, T1/E1 Universal Line Interface, Tape And Reel | Original | PDF | 407.2KB | 38 | 
| CS61581-IP |  | Cirrus Logic | T1/E1 universal line interface | Original | PDF | 407.19KB | 38 | 
| CS61581-IP |  | Crystal Semiconductor | T1/E1 Universal Line Interface | Scan | PDF | 1.55MB | 34 | 
| CS61582 |  | Cirrus Logic | Dual T1-E1 Line Interface Unit with DPM | Original | PDF | 494.43KB | 32 | 
| CS61582-IQ5 |  | Cirrus Logic | Dual T1/E1 line interface | Original | PDF | 494.43KB | 32 | 
| CS61582-IQ5 |  | Crystal Semiconductor | Dual T1/E1 Line Interface | Scan | PDF | 1.52MB | 28 | 
| CS61582-IQ5R |  | Cirrus Logic | Transmission/Switching, Dual T1/E1 Line Interface, Tape And Reel | Original | PDF | 494.4KB | 32 | 
| CS61583 |  | Cirrus Logic | Dual T1-E1 Line Interface Unit for framer-less applications | Original | PDF | 719.53KB | 44 | 
| CS61583-IL5 |  | Cirrus Logic | Dual T1/E1 line interface | Original | PDF | 719.53KB | 44 | 
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| CS61583-IL5 |  | Crystal Semiconductor | Dual T1/E1 Line Interface | Scan | PDF | 2.14MB | 43 | 
| CS61583-IL5R |  | Cirrus Logic | Transmission/Switching, Dual T1/E1 Line Interface, Tape And Reel | Original | PDF | 719.5KB | 44 | 
| CS61583-IQ5 |  | Cirrus Logic | Dual T1/E1 line interface | Original | PDF | 719.53KB | 44 | 
| CS61583-IQ5 |  | Crystal Semiconductor | Dual T1/E1 Line Interface | Scan | PDF | 2.14MB | 43 | 
| CS61583-IQ5R |  | Cirrus Logic | Transmission/Switching, Dual T1/E1 Line Interface, Tape And Reel | Original | PDF | 719.5KB | 44 | 
| CS61583-IQ5Z |  | Cirrus Logic | Network Interface IC's IC Dual T1/E1 Line Intrfc framr-ls apps | Original | PDF | 719.52KB | 44 |