Specifications

Table Of Contents
Cinterion
®
ALAS5V Hardware Interface Description
2.1 Application Interface
67
ALAS5V_HID_v00.030a 2019-03-20
Confidential / Preliminary
Page 36 of 124
2.1.8 Enhanced ESD Protection for SIM Interfaces
To optimize ESD protection for the SIM interfaces it is possible to add ESD diodes to the inter-
face lines of the first and second SIM interface as shown in the example given in Figure 11.
The example was designed to meet ESD protection according ETSI EN 301 489-1/7: Contact
discharge: ± 4kV, air discharge: ± 8kV.
Figure 11: SIM interfaces - enhanced ESD protection
CCRST x
CCCLKx
CCIOx
CCVCC x
CCINx
51R
51R
51R
123
654
SIM_RST
SIM_CLK
SIM_IO
SIM_VCC
SIM_DET
Module
GND SIM_GND
5-line transient voltage
supressor array, e.g.,
NUP4114 series