PayRange BluKey Select, Reference Manual

Page: 12 / 21

P a y R a n g e | B l u K e y S e l e c t ™ R e f e r e n c e M a n u a l
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I
DD3O_MAX
CONF 3.3V power supply output, DC - 300 mA
V
DI
Digital input voltage -0.3 V
DD
+ 0.3 V 2
I
DO
Digital output current ±50 mA
V
KEY_MAX
KEYPAD connector operating voltage 60 VDC
I
KEY_MAX
KEYPAD connector operating current 100 mA
1. Determined according to JEDEC Standard JESD22-A103, High Temperature Storage Life.
2. V
DD
is 3.3V internal reference on CONF connector.
Operating Conditions
Symbol Description Min Typ Max Unit
T
O
Operating temperature range -30 - 70 °C
V
CCDC
MDB/GND Power supply, DC 9 34 41 VDC
I
CC34
Power supply current, max (@ 34VDC) - - 90 mA
U
CC
Power consumption - - 3.03 W (1)
I
CARDDC_OUT
MDB_OUT/GND output current - - 1000 mA
V
DD3O
CONF 3.3V power supply output, DC +3.13 - +3.47 V
I
DD3O
CONF 3.3V power supply output, DC - - 100 mA
I
MDBIL
MACHINE connector input current low - - 100 µA
I
MDBIH
MACHINE connector input current high @4V - - 15 mA
I
MDBOL
MACHINE connector output current low - - 30 µA
I
MDBOH
MACHINE connector output current high @1V - - 15 mA
I
MDBOSNIFF
MACHINE connector output sniff current - - 0.45 mA
I
VMCIL
CARD connector input current
low
- - 1 mA
I
VMCIH
CARD connector input current high @1V 15 - - mA
I
VMCOL
CARD connector output current low - - 100 µA
I
VMCOH
CARD connector output current high @4V 100 - - mA
V
CONFIL
CONF Input logic level low V
DD
*0.4 V (2)
V
CONFIH
CONF Input logic level high V
DD
*0.6+0.4 - - V (2)
V
CONFOH
Output high voltage (I
O
= -32mA) V
DD
-0.7 - - V (2)
V
CONFOL
Output low voltage (I
O
= +32mA) - - 0.55 V
R
KEY
KEYPAD connector closed contacts
resistance
- - 50 Ohm
1. Power consumption excludes load on CARD connector by external card reader.
2. V
DD
is 3.3V internal reference on CONF connector.
ESD handling ratings
Symbol Description Min. Max. Unit Notes
V
HBM
Electrostatic discharge voltage,
human body model
-2000 +2000 V 1
V
CDM
Electrostatic discharge voltage,
charged-device model
-500 +500 V 2
I
LAT
Latch-up current at ambient temperature of
105°C
-100 +100 mA 3
1. Determined according to JEDEC Standard JESD22-A114, Electrostatic Discharge (ESD) Sensitivity
Testing Human Body Model (HBM).