SPM and Security Subsystem
FX651
Min
Max
Unit
Rx
12KHz
18KHz
Response Delay
De-response Delay
40
40
50
50
ms
ms
Response Time
De-response Time
8
8
ms
ms
Tx *
Transmit "0" Time
Transmit "1" Time
5.1
5.1
ms
ms
Table 1 System Timings
* Note: Tx Transmit Times include both Response/De-response Times and Rise/Fall
Times.
1.7.2 Packaging
The FX651 is available in the 16-pin SOIC package detailed below:
TYP.
DIM .
M IN.
M AX.
A
B
C
E
F
H
J
0.395 (10.03)
0.291 (7.39)
0.093 (2.36)
0.413 (10.49)
0.299 (7.59)
0.105 (2.67)
0.394 (10.01)
0.419 (10.64)
0.366 (9.29)
0.004 (0.10)
0.013 (0.33)
0.012 (0.30)
0.019 (0.48)
0.041 (1.04)
0.041 (1.04)
0.050 (1.27)
0.050 (1.27)
0.012 (0.30)
K
K1
L
P
T
0.016 (0.41)
0.009 (0.23)
45°
W
0°
8°
X
Y
7°
NO TE : All dim ensions in inches (m m .)
Angles in degrees
Figure 4 SOIC Mechanical Outline: Order as part no. FX651D4
1997 Consumer Microcircuits Limited
14
D/651/4
CMLMICRO [ CML MICROCIRCUITS ]
