73S1121F
EMV Smart-Card Terminal Controller
with Built-in Dual ISO-7816 Interface and USB
DATA SHEET
DC CHARACTERISTICS: VOLTAGE REFERENCE
SYMBOL
PARAMETER
Condition
MIN
Typ.
MAX
UNIT
0.1µf external
Bandgap voltage
VBG
1.1625
1.250
1.3375
V
decoupling capacitor
0.1µf external
VREF
Vlvdet
Voltage Reference
2.325
2.350
2.500
2.500
2.675
2.650
V
V
decoupling capacitor
Analog enabled
V
PD Low Voltage Flash
Erase/Write Protect
(Disable_Analog = 0)
DC CHARACTERISTICS: ANALOG INPUTS
SYMBOL
PARAMETER
Voltage Threshold 7
Voltage Threshold 6
Voltage Threshold 5
Voltage Threshold 4
Voltage Threshold 3
Voltage Threshold 2
Voltage Threshold 1
Voltage Threshold 0
Condition
MIN
Typ.
2.50
2.30
2.00
1.50
1.40
1.28
1.24
1.00
MAX
2.575
2.369
2.060
1.545
1.442
1.318
1.277
1.030
UNIT
V
V
V
V
V
V
V
V
V7
V6
V5
V4
V3
V2
V1
V0
ACOMP(3:1) =7
ACOMP(3:1) =6
ACOMP(3:1) =5
ACOMP(3:1) =4
ACOMP(3:1) =3
ACOMP(3:1) =2
ACOMP(3:1) =1
ACOMP(3:1) =0
2.425
2.231
1.940
1.455
1.358
1.242
1.203
0.970
CHANGE IN
Tcomp
Analog Compare time
0.1
0.2
2
µs
ACOMP(7:1)
Page: 17 of 25
© 2005 TERIDIAN Semiconductor Corporation
Rev 2.3
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
