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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PM5352 датащи(PDF) 41 Page - PMC-Sierra, Inc |
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PM5352 датащи(HTML) 41 Page - PMC-Sierra, Inc |
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41 / 77 page  PM5352 S/UNI STAR DATA SHEET PMC-1990421 ISSUE 2 SATURN USER NETWORK INTERFACE 155 (STAR) PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE 37 Pin Name Type Pin No. Function TRSTB Input pull-up C9 The active-low test reset (TRSTB) signal provides an asynchronous S/UNI-STAR test access port reset via the IEEE P1149.1 test access port. TRSTB is a Schmitt triggered input with an integral pull-up resistor. Note that when not being used, TRSTB must be connected to the RSTB input. 6.6 Analog Signals Pin Name Type Pin No. Function C+ C- Analog AB4 AA5 The analog CP and CN pins are provided for applications that must meet SONET/SDH jitter transfer specifications. A TBD nF ceramic capacitor can be attached across C+ and C-. ATB0 ATB1 ATB2 ATB3 Analog I/O P2 P3 P4 R1 The Analog Test Bus (ATB). These pins are used for manufacturing testing only and should be connected ground. 6.7 Power and Ground Pin Name Type Pin No. Function BIAS Bias Voltage K21 C17 I/O Bias (BIAS). When tied to +5V via a 1 K Ω resistor, the BIAS input is used to bias the wells in the input and I/O pads so that the pads can tolerate 5V on their inputs without forward biasing internal ESD protection devices. When BIAS is tied to +3.3V, the inputs and bi-directional inputs will only tolerate 3.3V level inputs. |
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