5

Specification

Absolute Maximum Ratings

Exceeding the maximum rating can result in device damage. Operation of the device outside the operating limits

is not implied.

Supply voltage

-0.3 to 7.0V

Input voltage at any pin (ref V

SS

= 0V)

-0.3 to (V

DD

+ 0.3V)

Sink/source current (supply pins)

+/- 30mA

(other pins)

+/- 20mA

Total device dissipation @ T

AMB

25°C

800mW Max.

Derating

10mW/°C

Storage temperature range:

FX623P

-40°C to +85°C (plastic)

Operating Limits ......

Min.

Max.

Unit

Supply Voltage (V

3.0

5.5

V

at 25°C

Operating Temperature ......

-40

+85

°C

All device characteristics are measured under the following conditions unless otherwise specified:

V

DD

= 3.3V, T

OP

= -40 to +85 °C. Audio Level 0dB ref: = 775mVrms. Xtal/Clock Frequency = 3.579545MHz

Characteristics

See Note

Min.

Typ.

Max.

Unit

Static Values

Supply Current

-

0.6

1.0

mA

Input Logic “1”

0.7

-

-

%V

DD

Input Logic “0”

-

-

0.3

%V

DD

Output Logic “1”

0.8

-

-

%V

DD

Output Logic “0”

-

-

0.2

%V

DD

Impedance

CS and PURS Input

10.0

-

-

M

Ω

Hold Input

1

0.5

-

-

M

Ω

Signal Input

0.1

-

-

M

Ω

IRQ Output (logic “1”)

-

30.0

100

k

Ω

IRQ Output (logic “0”)

-

175

500

Ω

Q0 - Q3 & Data-Change Outputs (logic “1”)

-

0.7

2.0

k

Ω

Q0 - Q3 & Data-Change Outputs (logic “0”)

-

175

500

Ω

Q0 - Q3 & Data-Change Outputs (high Z)

1.0

-

-

M

Ω

Dynamic Values

Signal Input Range

2, 5

35.0

1,166

mVrms

Decode Bandedge Tolerance

3

-1.0

-

1.0

%

Xtal Inverter

Voltage Gain

20.0

-

-

V/V

Input Impedance

10.0

-

-

M

Ω

Output Impedance

-

-

160

k

Ω

Decoder Timing -

Figures 3 and 4

Power Up Reset Time

t

PURS

2.5

-

-

ms

Data 'E' Time

t

DE

31.0

-

-

ms

t

RESP

4

-

27.0

50.0

ms

t

NT

4

-

-

60.0

ms

Data to Data-Change Pulse Time

t

DC

0.625

-

1.15

ms

Data-Change Pulse Width

t

PUL

-

1.25

-

ms

Hold to Data-Change Rise Time

t

HOLD

63.0

-

-

µs

HOLD to Data-Change Fall Time

t

NORM

-

-

150

µs

IRQ Tone Response Time

t

RIRQ

-

29.0

52.0

ms

IRQ Reset Time

t

IR

-

-

250

ns

Data Access Time

t

ACS

-

-

250

ns

CS High to Output Tri-State Time

t

HIZ

-

-

100

ns

Notes

1. This pin has an on-chip 1.0M

Ω pullup resistor.

2. An a.c. coupled sine or squarewave.

3. See Table 1, Tone Decode Frequencies.

5. The signal input maximum value is determined by the formula V