DS21FT40
4 x 3 12チャネルE1フレーマ
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製品の詳細
- High-density framing capacity
- 12 independent E1 framers in one 27mm x 27mm package
- Multi-Chip Module (MCM) contains three DS21Q44s
- Each quad can concatenate into one 8.192MHz backplane data stream
- Independent framers with independent receive/transmit sides
- Dual two-frame elastic store slip buffers can connect to backplanes up to 8.192MHz
- 8-bit parallel control port configurable for muxed or nonmuxed (Intel or Motorola) operation
- Easy access to Si and Sa bits
- Extracts/inserts CAS signaling
- Wide range of error counting: bipolar, code, CRC4, FAS, and E-bits
- Programmable output clocks for Fractional E1, per-channel loopback, H0, and H12
- Integral HDLC controller with 64-byte buffers, configurable for Sa bits or DS0
- AIS, remote alarm, and remote multiframe alarm detection/generation
- IEEE 1149.1 JTAG boundary scan architecture
- Operating ranges:
- 3.3V with 5V-tolerant I/O
- 0°C to 70°C (DS21FT40)
- -40°C to +85°C (DS21FT40N)
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