CD22204
Noise will also be reduced by placing a grounded trace
around XIN and XOUT pins on the circuit board layout when
using a crystal. It is important to note that XOUT is not
intended to drive an additional device. XIN may be driven
externally; in this case, leave XOUT floating.
Timing Waveforms
TONE BURST 1
t
ON
t
OFF
PAUSE
t
R
t
D
D1, D2
D4, D8
t
SU
t
H
ANALOG
INPUT
TONE BURST 2
DV
FIGURE 5.
TABLE 2.
PARAMETER
Tone Time
For Detection
For Rejection
Pause Time
For Detection
For Rejection
Detect Time
Release Time
Data Setup Time
Data Hold Time
Output Enable Time
C
L
= 50pF, R
L
= 1kΩ
Output Disable Time
C
L
= 35pF, R
L
= 500Ω
Output Rise Time
C
L
= 50pF
Output Fall Time
C
L
= 50pF
t
OFF
t
OFF
t
D
t
R
t
SU
t
H
-
-
-
-
40
-
25
35
7
4.2
-
-
-
-
-
-
200
150
200
160
-
-
-
-
20
46
50
-
5
300
200
300
250
ms
ms
ms
ms
µs
ms
ns
ns
ns
ns
t
ON
t
ON
40
-
-
-
-
20
ms
ms
SYMBOL
MIN
TYP
MAX
UNITS
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ISO9000
quality systems certification.
Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with-
out notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
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www.intersil.com
5
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