BGF148 protection equivalent, 7 line esd and emi interface protection.
* 7 line bidirectional ESD protection
* ESD protection according to IEC61000-4-2 for ±15 kV contact discharge on all external IOs
* ESD protection according .
due to low line capacitance of typical 1.2 pF
* Very low voltage dependency of line capacitance
* Very low leaka.
BGF148
Electrical Characteristics
HOST CARD
Int. PINs
+ −
8kV
ESD
clk
cmd dat 0
dat 1 dat 2
Dat3/ CD
Figure 1-1 Schematic
R1: 20 Ω R2: 20 Ω R3: 20 Ω R4: 20 Ω R5: 20 Ω R6: 20 Ω
GND
Ext. PIN
+ −
15kV
ESD
VCC IO
SDclk
SDcmd
SDdat 0
.
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