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FIN1215MTD Folha de dados(PDF) 7 Page - Fairchild Semiconductor |
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FIN1215MTD Folha de dados(HTML) 7 Page - Fairchild Semiconductor |
7 / 17 page 7 www.fairchildsemi.com Transmitter AC Electrical Characteristics Over supply voltage and operating temperature ranges, unless otherwise specified. Note 13: Outputs of all transmitters stay in 3-STATE until power reaches 2V. Both clock and data output begins to toggle 10ms after VCC reaches 3V and Power-Down pin is above 1.5V. Note 14: This output data pulse position works for both transmitter with 21 TTL inputs except the LVDS output bit mapping difference (see Figure 15). Figure 16 shows the skew between the first data bit and clock output. Also 2-bit cycle delay is guaranteed when the MSB is output from transmitter. Note 15: This jitter specification is based on the assumption that PLL has a ref clock with cycle-to-cycle input jitter less than 2ns. Symbol Parameter Test Conditions Min Typ Max Units tTCP Transmit Clock Period See Figure 6 11.76 T 50.0 ns tTCH Transmit Clock (TxCLKIn) HIGH Time 0.35 0.5 0.65 T tTCL Transmit Clock Low Time 0.35 0.5 0.65 T tCLKT TxCLKIn Transition Time (Rising and Failing) (10% to 90%) See Figure 7 1.0 6.0 ns tJIT TxCLKIn Cycle-to-Cycle Jitter 3.0 ns tXIT TxIn Transition Time 1.5 6.0 ns LVDS Transmitter Timing Characteristics tTLH Differential Output Rise Time (20% to 80%) See Figure 4 0.75 1.5 ns tTHL Differential Output Fall Time (80% to 20%) 0.75 1.5 ns tSTC TxIn Setup to TxCLNIn See Figure 6 2.5 ns tHTC TxIn Holds to TCLKIn (f 85 MHz) (FIN1217 only) 0 ns tTPDD Transmitter Power-Down Delay See Figure 13, (Note 13) 100 ns tTCCD Transmitter Clock Input to Clock Output Delay See Figure 9 5.5 ns Transmitter Clock Input to Clock Output Delay (TA 25qC and with VCC 3.3V) 2.8 6.8 Transmitter Output Data Jitter (f 40 MHz) (Note 14) tTPPB0 Transmitter Output Pulse Position of Bit 0 See Figure 16 0.25 0 0.25 ns tTPPB1 Transmitter Output Pulse Position of Bit 1 a 0.25aa0.25 ns tTPPB2 Transmitter Output Pulse Position of Bit 2 a 12a 0.25 2a 2a 0.25 ns tTPPB3 Transmitter Output Pulse Position of Bit 3 f x 7 3a 0.25 3a 3a 0.25 ns tTPPB4 Transmitter Output Pulse Position of Bit 4 4a 0.25 4a 4a 0.25 ns tTPPB5 Transmitter Output Pulse Position of Bit 5 5a 0.25 5a 5a 0.25 ns tTPPB6 Transmitter Output Pulse Position of Bit 6 6a 0.25 6a 6a 0.25 ns Transmitter Output Data Jitter (f 65 MHz) (Note 14) tTPPB0 Transmitter Output Pulse Position of Bit 0 See Figure 16 0.2 0 0.2 ns tTPPB1 Transmitter Output Pulse Position of Bit 1 a 0.2 a a 0.2 ns tTPPB2 Transmitter Output Pulse Position of Bit 2 a 12a 0.2 2a 2a 0.2 ns tTPPB3 Transmitter Output Pulse Position of Bit 3 f x 7 3a 0.2 3a 3a 0.2 ns tTPPB4 Transmitter Output Pulse Position of Bit 4 4a 0.2 4a 4a 0.2 ns tTPPB5 Transmitter Output Pulse Position of Bit 5 5a 0.2 5a 5a 0.2 ns tTPPB6 Transmitter Output Pulse Position of Bit 6 6a 0.2 6a 6a 0.2 ns Transmitter Output Data Jitter (f 85 MHz) (FIN1217 only) (Note 14) tTPPB0 Transmitter Output Pulse Position of Bit 0 See Figure 16 0.2 0 0.2 ns tTPPB1 Transmitter Output Pulse Position of Bit 1 a 0.2 a a 0.2 ns tTPPB2 Transmitter Output Pulse Position of Bit 2 a 12a 0.2 2a 2a 0.2 ns tTPPB3 Transmitter Output Pulse Position of Bit 3 f x 7 3a 0.2 3a 3a 0.2 ns tTPPB4 Transmitter Output Pulse Position of Bit 4 4a 0.2 4a 4a 0.2 ns tTPPB5 Transmitter Output Pulse Position of Bit 5 5a 0.2 5a 5a 0.2 ns tTPPB6 Transmitter Output Pulse Position of Bit 6 6a 0.2 6a 6a 0.2 ns tJCC FIN1217 Transmitter Clock Out Jitter f 40 MHz 350 370 ps (Cycle-to-Cycle) f 65 MHz 210 230 See Figure 19 f 85 MHz (FIN1217 only) 110 150 tTPLLS Transmitter Phase Lock Loop Set Time (Note 15) See Figure 11, (Note 14) 10.0 ms |
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Descrição semelhante - FIN1215MTD |
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