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STLC5465B Datasheet(PDF) 9 Page - STMicroelectronics |
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STLC5465B Datasheet(HTML) 9 Page - STMicroelectronics |
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9 / 101 page  I.2 - Pin Description Pin N ° Symbol Type Fun ction POWER PINS (all the power and ground pins must be connected) 14 VDD1 Power DC supply 15 VSS1 Ground DC ground 29 VDD2 Power DC supply 30 VSS2 Ground DC ground 45 VDD3 Power DC supply 46 VSS3 Ground DC ground 61 VDD4 Power DC supply 62 VSS4 Ground DC ground 73 VDD5 Power DC supply 74 VSS5 Ground DC ground 89 VDD6 Power DC supply 90 VSS6 Ground DC ground 107 VDD7 Power DC supply 108 VSS7 Ground DC ground 121 VDD8 Power DC supply 122 VSS8 Ground DC ground 133 VDD9 Power DC supply 134 VSS9 Ground DC ground 145 VDD10 Power DC supply 146 VSS10 Ground DC ground 158 VDD11 Power DC supply 159 VSS11 Ground DC ground (Total 22) CLOCKS 2 XTAL1 I Crystal 1. A clock pulse at fMin. = 32000kHz can be applied to this input (or one pin of two crystal pins) with : -50.10 -6 < ∆f < +50.10-6. 3 XTAL2 O Crystal 2. If the internal crystal oscillator is used, the second crystal pin is applied to this output. 7 VCXO IN I3 VCXO input signal. This signal is compared to clock A(or B) selected inside the Multi-HDLC. 8 VCXO OUT O4 VCXO error signal. This pin delivers the result of the comparison. 10 CLOCKA I3 Input Clock A (4096kHz or 8192kHz) 11 CLOCKB I3 Input Clock B (4096kHz or 8192kHz) 12 FRAMEA I3 Clock A at 8kHz 13 FRAMEB I3 Clock B at 8kHz 9 DCLK O8 Data Clock issued from Input Clock A (or B). This clock is delivered by the circuit at 4096kHz (or 2048kHz). DOUT0/7 are transmitted on the rising edge of thissignal. DIN0/7 are sampled on the falling edge of this signal. 17 FSCG O8 Frame synchronization for GCI at 8kHz. This clock is issued from FRAME A (or B). 18 FSCV* O8 Frame synchronization for V Star at 8kHz 16 FS I3 Frame synchronization.This signal synchronizes DIN0/7 and DOUT0/7. 19 PSS O8 Programmable synchronization Signal. The PS bit of connection memory is read in real time. Type : I1 = Input TTL ; I2 = I1 + Pull-up ; I3 = I1 + Hysteresis ; I4 = I3 + Pull-up ; O4 = Output CMOS 4mA ; O4T = O4 + Tristate ; O8 = Output CMOS 8mA, ”1” and ”0” at Low Impedance ; O8D = Output CMOS 8mA, Open Drain ; O8DT = Output CMOS 8mA, Open Drain or Tristate ; O8T = Output CMOS 8mA, Tristate I1 and I3 must be connected to VDD and VSS if not used I - PIN INFORMATION (continued) STLC5465B 9/101 |
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