CMX602BE4 查看數據表（PDF） - CML Microsystems Plc

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CMX602BE4

Calling Line Identifier plus Call Waiting (Type II)

CML Microsystems Plc 

Calling Line Identifier

CMX602B

Operating Characteristics

For the following conditions unless otherwise specified:

VDD = 2.7V at Tamb = -10 to +60°C and VDD = 3.3V to 5.5V at Tamb = -40 to +85°C,

Xtal Frequency = 3.579545MHz ± 0.1%

0dBV corresponds to 1.0Vrms

Notes Min.

Typ.

Max.

Units

DC Parameters

IDD (ZP input high) at VDD = 5.0V

IDD (ZP input low) at VDD = 3.0V

IDD (ZP input low) at VDD = 5.0V

Logic '1' input level (RXCK and XTAL inputs)

Logic '0' input level (RXCK and XTAL inputs)

Logic input leakage current (Vin = 0 to VDD)

excluding XTAL input

Output logic '1' level (lOH = 360µA)

Output logic '0' level (lOL = 360µA)

IRQN o/p 'off' state current (Vout = VDD)

Schmitt Trigger input thresholds, see fig 10

High going (Vthi)

1,2

1

1

70%

-1.0

VDD - 0.4

0.56VDD

0.02

0.5

1.0

1.0

µA

1.0

mA

2.0

mA

VDD

30%

VDD

+1.0

µA

V

0.4

V

1.0

µA

0.56VDD V

+ 0.6V

Low going (Vtlo)

0.44VDD

- 0.6V

0.44VDD V

Tone Alert Detector

'Low' tone nominal frequency

'High' tone nominal frequency

Start of Tone Alert signal to DET high time

(Fig. 6 Tton)

End of Tone Alert signal to DET and IRQN low

time (Fig 6 Ttoff)

DET high time to ensure IRQN goes low

(Fig 6 TqCAS)

To ensure detection:

3

'Low' tone frequency tolerance

'High' tone frequency tolerance

Level (per tone)

4

2750Hz tone level wrt

2130Hz tone level

Signal to Noise ratio

5

Dual tone burst duration for DET output

Dual tone burst duration to ensure

IRQN goes low

To ensure non-detection:

6

'Low' tone frequency tolerance

'High' tone frequency tolerance

Level (total)

4

Dual tone burst duration

0.5

8.0

-40.0

-6.0

20.0

75

75

±75

±95

2130

2750

55.0

Hz

Hz

ms

10.0

ms

45.0

ms

±0.5

%

±0.5

%

-2.2

dBV

+6.0

dB

dB

ms

85

ms

Hz

Hz

-46.0 dBV

45.0

ms

 2003 CML Microsystems Plc

20

D/602B/2

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