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PC87373 데이터시트(PDF) 119 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
부품명 PC87373
상세설명  LPC SuperI/O with Glue Functions
PDF  174 Pages
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제조업체  NSC [National Semiconductor (TI)]
홈페이지  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87373 데이터시트(HTML) 119 Page - National Semiconductor (TI)

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9.0 Glue Functions (Continued)
119
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Revision 1.1
Figure 24. REF5_STBY as a Function of VSB3 and VSB5
Table 44 defines the DC characteristics of the REF5_STBY output relative to the VSB3 supply. For the AC characteristics,
see Highest Active Main and Standby Supply Reference on page 170.
Table 45. REF5V_STBY DC Characteristics
Symbol
Parameter
Conditions
Min
Max
Unit
VSO
Switch Open, VSB3 Voltage Range
0 < VSB5 < 5.5V
0
1.51
1. Not tested. Guaranteed by characterization.
V
VTRK
Output Voltage Tracking of VSB3 Voltage
1,
1.5V < VSB3,
VSB5 <VSB3 + 150 mV
− 150
+ 150
mV
a. VSB3 Ramps Up Before and Ramps Down After VSB5
0V
VSO
3.3V
5V
VSB3
VSB5
REF5V_STBY
b. VSB3 Ramps Up After and Ramps Down Before VSB5
0V
VSO
3.3V
5V
VSB3
VSB5
REF5V_STBY
VSB3
REF5V_STBY
VSB3
VSB5



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