IC-TW14 Datasheet, PDF (7/33 Pages) IC-Haus GmbH – IC-PMX Companion Chip

iC-TW14
iC-PMX Companion Chip
ELECTRICAL CHARACTERISTICS
Operating Conditions: VDD = 4.5...5.5 V, Tj = -40 °C...125 °C
Item Symbol Parameter
No.
Conditions
Total Device
101 V(VDD) Permissible Supply Voltage
102 I(VDD) Supply Current
Bias, Power On
201 NPORon Power-on-Reset Threshold VDD increasing voltage at VDD
202 NPORoff Power-off Reset Threshold VDD decreasing voltage at VDD
203 NPORHys Hysteresis
204 VBG
Bandgap Voltage
Rev A1, Page 7/33
Unit
Min. Typ. Max.
4.5 5.0 5.5
V
12
mA
2.65
V
2.61
V
40
mV
1.16
V
OPERATING REQUIREMENTS: SSI MULTITURN INTERFACE
Item Symbol Parameter
No.
I001 tpu(MRDY) Start-up Time
I002
I003
I004
I005
I006
T_C
t_L1, t_L2
t_RQ
t_d
T_out
Permissible Clock Period
Clock Signal hi/lo Level Duration
Data Request Delay
Data Valid after rising edge of MCL
SSI Timeout
Conditions
NRES = 0, RDY = 1, no error conditions;
default startup
startup with Wiegand module excitation
Min.
3.3
1.2
1.2
0.3
15
Unit
Max.
8
ms
50
ms
13.3
µs
µs
µs
1.2
µs
25
µs
MCL
MDI
t
t
RQ
C
tt
L1 L2
DATA DATA DATA DATA
DATA
t
d
t
out
Figure 1: Multiturn (SSI) Interface timing