User's Guide

LE920A4 HW User Guide Electrical Specifications
Doc#: 1VV0301261 Logic Level Specifications
Rev. 4.7.1 Page 43 of 124 2019-11-21
4.3.3. 1.8V SD Card Pads
Table 13: Operating Range – SD Card Pads Working at 1.8V
Pad Parameter Min Max Unit Comment
VIH Input high level 1.27V 2V [V]
VIL Input low level -0.3V 0.58V [V]
VOH Output high level 1.4V -- [V]
VOL Output low level 0 0.45V [V]
IIL Low-level input leakage
current
-2 - [uA] No pull-up
IIH High-level input leakage
current
- 2 [uA] No pull-down
RPU Pull-up resistance 10 100 [kΩ]
RPD Pull-down resistance 10 100 [kΩ]
Ci Input capacitance 5 [pF]
4.3.4. 1.8V SIM Card Pads
Table 14: Operating Range – SIM Pads Working at 1.8V
Pad Parameter Min Max Unit Comment
VIH Input high level 1.35V 2V [V]
VIL Input low level -0.3V 0.43V [V]
VOH Output high level 1.35V 1.875V [V]
VOL Output low level 0V 0.4V [V]
IIL Low-level input leakage
current
-2 - [uA] No pull-up
IIH High-level input leakage
current
- 2 [uA] No pull-down
RPU Pull-up resistance 10 100 [kΩ]
RPD Pull-down resistance 10 100 [kΩ]
Ci Input capacitance 5 [pF]