u3741bm ATMEL Corporation, u3741bm Datasheet - Page 24

• Manufacturer Part Number: u3741bm
• Description: Uhf Ask Receiver Ic
• Manufacturer: ATMEL Corporation

Electrical Characteristics (Continued)
All parameters refer to GND, T
(V
24
Parameter
Synchroni-
zation pulse
(Figure 17,
Figure 20)
Receiving Mode
Intermediate
frequency
Baud rate
range
Minimum time
period
between
edges at
pin DATA
(Figure 15)
Maximum low
period at DATA
(Figure 16)
OFF
command at
pin ENABLE
(Figure 18)
Configuration of the Receiver
Frequency of
the reset
marker
(Figure 19)
Programming
start pulse
(Figure 17,
Figure 20)
Programming
delay period
(Figure 17,
Figure 20)
S
= 5 V, T
amb
U3741BM
Test Condition
MODE=0 (USA)
MODE=1 (Europe)
BR_Range0
BR_Range1
BR_Range2
BR_Range3
BR_Range0
BR_Range1
BR_Range2
BR_Range3
BR_Range0
BR_Range1
BR_Range2
BR_Range3
BR_Range0
BR_Range1
BR_Range2
BR_Range3
after POR
= 25°C)
amb
= -40°C to +105°C, V
BR_Range
T
Symbol
T
DATA_L_max
DATA_min
tmin1
tmin2
tmin1
tmin2
tmin1
tmin2
tmin1
tmin2
t
Doze
f
f
RM
t1
t2
t3
IF
11656
Min.
2188
1104
561
290
795
1.0
1.8
3.2
5.6
3.1
6.76438-Mhz Osc.
(Mode 1)
S
117.9
Typ.
= 4.5 V to 5.5 V, f
2169
1085
37.3
45.5
18.6
22.8
149
182
542
271
265
1.0
75
91
Max.
3176
3176
3176
3176
10.0
798
1.8
3.2
5.6
11479
Min.
2155
1087
3.05
553
286
783
0
1.0
1.8
3.2
5.6
= 433.92 MHz and f
4.90625-Mhz Osc.
(Mode 0)
119.8
Typ.
2136
1068
36.7
44.8
18.3
22.4
147
179
534
267
261
1.0
73
90
Max.
3128
3128
3128
3128
10.0
786
1.8
3.2
5.6
0
= 315 MHz, unless otherwise specified.
384.5 ×
1057 ×
5632 ×
533 ×
271 ×
140 ×
Min.
1.5 ¥
T
T
T
T
T
T
T
Clk
Clk
Clk
Clk
Clk
Clk
Clk
BR_Range0 × 2 µs/T
BR_Range1 × 2 µs/T
BR_Range2 × 2 µs/T
BR_Range3 × 2 µs/T
Variable Oscillator
f
XTO
f
-------------------------------- -
4096
XTO
131 × T
131 × T
131 × T
131 × T
11 × T
11 × T
11 × T
128 × T
11 × T
9 × T
9 × T
9 × T
9 × T
× 64/432.92
Typ.
× 64/314
×
1
XClk
XClk
XClk
XClk
XClk
XClk
XClk
T
XCl
XClk
XClk
XClk
XClk
Clk
CLK
4662B–RKE–10/04
Clk
Clk
Clk
Clk
1535 ×
1535 ×
1535 ×
1535 ×
Max.
× T
385.5
T
T
T
T
Clk
Clk
Clk
Clk
Clk
kBaud
kBaud
kBaud
kBaud
Unit
MHz
MHz
Hz
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs