| No. | Part Name | Description |
|---|
| 251 | MT89L86 | 512 x 256 Channels 3.3 V Multiple Rate Digital Switch (MRDX) with Constant Delay Mode |
| 252 | MT90210 | 3072 Channels TDM to Dual Port RAM Multiple Rate Parallel Bus Access Circuit (MRPAC) |
| 253 | MT90220 | Octal Inverse Multiplexing for ATM (IMA) Device with Flexible IMA and UNI mMode |
| 254 | MT90221 | Quad Inverse Multiplexing for ATM (IMA) Device with Flexible IMA and UNI Mode |
| 255 | MT9040 | Single reference frequency selectable, 3.3V Digital PLL with multiple clock outputs for stratum 4 applications |
| 256 | MT90401 | SONET/SDH System Synchronizer |
| 257 | MT90401AB | SONET/SDH system synchronizer. |
| 258 | MT9040AN | T1/E1 Synchronizer |
| 259 | MT9041 | Single reference frequency selectable Digital PLL with multiple clock outputs for T1/E1 trunk and backplane synchronization |
| 260 | MT9042B | Multitrunk System Synchronizer |
| 261 | MT9042C | Dual reference frequency selectable Digital PLL with multiple clock outputs for T1/E1 (ITU-T G.812 type IV) and Stratum ( 3, 4, 4E) applications |
| 262 | MT9043 | Dual reference frequency selectable, 3,3V Digital PLL with multiple clock outputs for T1/E1 and Stratum 4 and 4E applications |
| 263 | MT9043AN | T1/E1 System Synchronizer |
| 264 | MT9043AN48PINSSOP | T1/E1 System Synchronizer |
| 265 | MT9044 | Dual reference frequency selectable Digital PLL with multiple clock outputs for T1/E1 (ITU-T G.812 type IV), Stratum(3, 4, 4E) and STS-3/OC3 systems |
| 266 | MT9045 | Dual reference frequency selectable 3.3V Digital PLL with multiple clock outputs for T1/E1 (ITU-T G.812 type IV), Stratum( 3, 4, 4E) and STS-3/OC3 systems |
| 267 | MT9045AN | T1/E1/OC3 System Synchronizer |
| 268 | MT9046 | T1/E1 System Synchronizer with Holdover |
| 269 | MT9046AN | T1/E1 System Synchronizer with Holdover |
| 270 | MT90500 | 1024 Channel ATM AAL1 SAR |
| 271 | MT90502 | Multi-Channel AAL2 SAR |
| 272 | MT90503 | 2048VC AAL1 SAR |
| 273 | MT90503AG | 2048VC AAL1 SAR |
| 274 | MT90520 | 8-Port Primary Rate Circuit Emulation AAL1 SAR |
| 275 | MT90520AG | 8-Port Primary Rate Circuit Emulation AAL1 SAR |
| 276 | MT90528 | 28-Port Primary Rate Circuit Emulation AAL1 SAR |
| 277 | MT90710 | High Speed Isochronous Multiplexer |
| 278 | MT9072 | Octal T1/E1/J1 Framer |
| 279 | MT9072AB | Octal T1/E1/J1 Framer |
| 280 | MT9072AV | Octal T1/E1/J1 Framer |
| 281 | MT9074 | T1/E1/J1 Single Chip Transceiver with Wide Dynamic Range LIU |
| 282 | MT9075B | E1 Single Chip Transceiver with LIU |
| 283 | MT9076B | T1/E1/J1 3.3 V Single Chip Transceiver |
| 284 | MT9076BB | T1/E1/J1 3.3 V single chip transceiver. |
| 285 | MT9076BP | T1/E1/J1 3.3 V single chip transceiver. |
| 286 | MT9079 | Advanced Controller for E1 |
| 287 | MT9080B | 2048 X 16 bit wide Variable Rate Digital Switch Matrix Module (SMX) for Digital Switching Matrices |
| 288 | MT90810 | 256 x 128 Channels Flexible MVIP Interface Circuit (FMIC) |
| 289 | MT90812 | 64 X 64 channels Multi-Featured Integrated Digital Switch (IDX) with Conferencing, DTMF and FSK Tone Generation for SOHO and PBX Systems |
| 290 | MT90820 | 2048 x 2048 Channels Selectable Rate (2, 4, 8 Mbps) Non-blocking Large Digital Switch (LDX) |
| 291 | MT90823 | 2048 x 2048 Channels Selectable Rate (2, 4, 8 Mbps) 3.3 V Non-blocking Large Digital Switch (LDX) |
| 292 | MT90823AB | 3V Large Digital Switch |
| 293 | MT90823AG | 3V Large Digital Switch |
| 294 | MT90823AL | 3V Large Digital Switch |
| 295 | MT90823AP | 3V Large Digital Switch |
| 296 | MT90826 | 4096 x 4096 Channel Multiple Rate (2, 4, 8, 16 Mbps) 3.3 V Non-blocking Quad Digital Switch (QDX) with rate conversion |
| 297 | MT90840 | 512 X 2430 Channel Multiple Rate TDM ( 2, 4, 8 Mbps) to Parallel Port Distributed Hyperchannel Switch (DHS) for STS-1 and STS-3 Applications |
| 298 | MT9085B | 1024 Channels TDM (ST-BUS) to Parallel Bus Access Circuit (PAC) |
| 299 | MT90863 | 2,048 x 512 channel 3.3 V Rate Conversion Digital Switch (RCDX), H.100 Compatible |
| 300 | MT90866 | 4,096 x 2,432 Channels Flexible Digital Switch with H.110 Interface |
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