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MT9041B 数据表(PDF) 2 Page - Mitel Networks Corporation |
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MT9041B 数据表(HTML) 2 Page - Mitel Networks Corporation |
2 / 19 page MT9041B Advance Information 2 Figure 2 - Pin Connections Pin Description Pin # Name Description 1VSS Ground. 0 Volts. 2 IC0 Internal Connect. Connect to Vss 3 NC No Connect. Connect to Vss 4 REF Reference (TTL Input). PLL reference clock. 5 VDD Positive Supply Voltage. +5VDC nominal. 6 OSCo Oscillator Master Clock (CMOS Output). For crystal operation, a 20MHz crystal is connected from this pin to OSCi, see Figure 6. For clock oscillator operation, this pin is left unconnected, see Figure 5. 7 OSCi Oscillator Master Clock (CMOS Input). For crystal operation, a 20MHz crystal is connected from this pin to OSCo, see Figure 6. For clock oscillator operation, this pin is connected to a clock source, see Figure 5. 8 F16o Frame Pulse ST-BUS 16.384Mb/s (CMO7S Output). This is an 8kHz 61ns active low framing pulse, which marks the beginning of an ST-BUS frame. This is typically used for ST-BUS operation at 16.384Mb/s. See Figure 11. 9 F0o Frame Pulse ST-BUS 2.048Mb/s (CMOS Output). This is an 8kHz 244ns active low framing pulse, which marks the beginning of an ST-BUS frame. This is typically used for ST-BUS operation at 2.048Mb/s and 4.096Mb/s. See Figure 11. 10 F8o Frame Pulse ST-BUS 8.192Mb/s (CMOS Output). This is an 8kHz 122ns active high framing pulse, which marks the beginning of an ST-BUS frame. This is used for ST-BUS operation at 8.192Mb/s. See Figure 11. 11 C1.5o Clock 1.544MHz (CMOS Output). This output is used in T1 applications. 12 C3o Clock 3.088MHz (CMOS Output). This optional output is used in T1 applications. 13 C2o Clock 2.048MHz (CMOS Output). This output is used for ST-BUS operation at 2.048Mb/s. 14 C4o Clock 4.096MHz (CMOS Output). This output is used for ST-BUS operation at 2.048Mb/s and 4.096Mb/s. 15 VSS Ground. 0 Volts. 16 C8o Clock 8.192MHz (CMOS Output). This output is used for ST-BUS operation at 8.192Mb/s. 17 C16o Clock 16.384MHz (CMOS Output). This output is used for ST-BUS operation at 16.384Mb/ s. 18 VDD Positive Supply Voltage. +5VDC nominal. 1 6 5 43 2 7 8 9 10 11 23 19 20 21 22 24 25 26 27 28 VDD OSCo OSCi F16o F0o F8o C1.5o IC0 IC1 IC0 IC0 MS IC0 IC0 12 13 14 15 16 17 18 MT9041B |
类似零件编号 - MT9041B |
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类似说明 - MT9041B |
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