ON Semiconductor NCN49597, Руководство пользователя

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NCN49597
http://onsemi.com
12
Power − on − Reset (POR)
Table 11. POWER − ON − RESET
Parameter Test Conditions Symbol Min Typ Max Unit
POR threshold V
POR
1.7 2.7 V
Power supply rise time 0 to 3V T
RPOR
1 ms
Digital Outputs: TDO, CLK_OUT
Table 12. DIGITAL OUTPUTS: TDO, CLK_OUT
Parameter Test Conditions Symbol Min Typ Max Unit
Low output voltage I
XOUT
= 4 mA V
OL
0.4 V
High output voltage I
XOUT
= − 4 mA V
OH
0.85 V
DD
V
Digital Outputs with Open Drain: TX_ENB, TXD
Table 13. DIGITAL OUTPUTS WITH OPEN DRAIN: TX_ENB, TXD, RX_DATA, CRC, T_REQ
Parameter Test Conditions Symbol Min Typ Max Unit
Low output voltage I
XOUT
= 4 mA V
OL
0.4 V
Digital Inputs: BR0, BR1
Table 14. DIGITAL INPUTS: BR0, BR1
Parameter Test Conditions Symbol Min Typ Max Unit
Low input level V
IL
0.2 V
DD
V
High input level 0 to 3 V V
IH
0.8 V
DD
V
Input leakage current I
LEAK
− 10 10
m A
Digital Inputs with Pull Down: TDI, TMS, TCK, TRSTB, TEST
Table 15. DIGITAL INPUTS WITH PULL DOWN: TDI, TMS, TCK, TRSTB, TEST
Parameter Test Conditions Symbol Min Typ Max Unit
Low input level V
IL
0.2 V
DD
V
High input level V
IH
0.8 V
DD
V
Pull down resistor (Note 14) R
PU
7 50 k W
14.Measured around a bias point of V
DD
/2.
Digital Schmitt Trigger Inputs: RXD, RESB
Table 16. DIGITAL SCHMITT TRIGGER INPUTS: RXD, RESB
Parameter Test Conditions Symbol Min Typ Max Unit
Rising threshold level V
T+
0.80 V
DD
V
Falling threshold level V
T −
0.2 V
DD
V
Input leakage current I
LEAK
− 10 10
m A