u3742bm ATMEL Corporation, u3742bm Datasheet - Page 26

• Manufacturer Part Number: u3742bm
• Description: Uhf Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

Electrical Characteristics (Continued)
All parameters refer to GND, T
wise specified. (V
26
Parameter
Synchroni-
zation pulse
(Figure 21,
Figure 24)
Delay until the
program
window starts
(Figure 21,
Figure 24)
Programming
window
(Figure 21,
Figure 24)
Time frame
of a bit
(Figure 24)
Programming
pulse (Figure
21, Figure 24)
Maximum low
period at DATA
(Figure 20)
OFF
command at
pin ENABLE
(Figure 22)
Configuration of the Receiver
Frequency of
the reset
marker
(Figure 23)
Programming
start pulse
(Figure 21,
Figure 24)
Programming
delay period
(Figure 21,
Figure 24)
U3742BM
Test Condition
BR_Range0
BR_Range1
BR_Range2
BR_Range3
BR_Range0
BR_Range1
BR_Range2
BR_Range3
after POR
S
= 5 V, T
amb
amb
= 25 ° C)
T
Symbol
DATA_L_max
= -40 ° C to +105 ° C, V
t
Doze
f
RM
t
t
t
t
t
t
t
1
2
3
4
5
6
7
11656
2188
1104
6.76438 Mhz Oscillator
Min.
561
290
795
133
3.1
(Mode 1)
117.9
Typ.
2169
1085
1060
542
271
265
131
530
S
= 4.5 V to 5.5 V, f
Max.
3176
3176
3176
3176
798
529
11479
2155
1087
Min.
4.90625 Mhz Oscillator
3.05
553
286
783
131
(Mode 0)
119.8
Typ.
2136
1068
1044
534
267
261
129
522
0
= 433.92 MHz and f
Max.
3128
3128
3128
3128
786
521
1057 ´
T
533 ´
T
271 ´
T
140 ´
T
5632 ´
T
384.5 ´
Clk
Clk
Clk
Clk
Clk
Min.
1.5 ´
64 ´
T
T
T
Clk
Clk
Clk
Variable Oscillator
0
-------------------------------- -
4096
= 315 MHz, unless other-
131 ´ T
131 ´ T
131 ´ T
131 ´ T
63.5 ´ T
128 ´ T
256 ´ T
512 ´ T
Typ.
´
1
T
XClk
XClk
XClk
XClk
CLK
Clk
Clk
Clk
Clk
4735A–RKE–11/03
1535 ´
1535 ´
1535 ´
1535 ´
385.5 ´
Max.
256 ´
T
T
T
T
T
T
Clk
Clk
Clk
Clk
Clk
Clk
Unit
Hz
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs