FX663D4 View Datasheet(PDF) - CML Microsystems Plc
Part Name
Description
MFG CO.
'FX663D4' PDF : 17 Pages View PDF
1.7.1 Electrical Performance (continued)
SIGIN
No Signal
Call Progress Signal
ENABLE
CSN
IRQN
D0 to D3
Tri-State
tRP
tDRP
tDI
tIR
tDI
Tri-State
tDE
tHIZ
Figure 8 Bus Timing
For the following conditions unless otherwise specified:
Xtal Frequency = 3.579545MHz, VDD = 3.3V to 5.0V, Tamb = -40°C to +85°C.
tRP
tDRP
tNRP
tNDRP
tI
tL
tGI
tGD
tNG
tDI
tDE
tHIZ
tIR
tIP
Parameter
Call Progress Tone Response Time
Call Progress Tone De-response Time
Non Call Progress Signal Response Time
Non Call Progress Signal De-response Time
Burst Length Ignored
Burst Length Detected
Call Progress Tone Gap Length Ignored
Call Progress Tone Gap Length Detected
Non Call Progress Signal Gap Length Ignored
Data available to Interrupt pulse
"CSN-Low " to Data Valid
"CSN-High" to Output Tri-state
Interrupt Reset Time
Interrupt Low Pulse
Notes
8
8
8
8
8,9,11
8,9
10
Min.
-
-
145
-
-
145
-
40
-
-
-
-
-
4.0
Typ.
-
-
-
80
-
-
-
-
80
-
-
-
-
5.0
Max.
145
145
-
-
70
-
20
-
-
430
0.2
1.0
0.2
6.0
Notes:
8. Timing also applies to Special Information Tones and Fax/modem Tones.
9. Only applies to burst of the same frequency.
10. If the gap > 90ms, a NO Signal state will be detected.
11. Special Information Tones and Fax/modem tones tGI is 15ms maximum.
Units
ms
ms
ms
ms
ms
ms
ms
ms
ms
µs
µs
µs
µs
µs
© 1999 Consumer Microcircuits Limited
15
D/663/3
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