2

SP5512

ELECTRICAL CHARACTERISTICS

These Characteristics are guaranteed by either production test or design. They apply within the specified ambient temperature

and supply voltage ranges unless otherwise stated. Reference frequency 4MHz unless otherwise stated.

Supply current

Prescaler input voltage

Prescaler input impedance

Prescaler input capacitance

SDA, SCL

Input high voltage

Input low voltage

Input high current

Input low current

Leakage current

SDA

Output voltage

Charge pump current low

Charge pump current high

Charge pump output leakage current

Charge pump drive output current

Charge pump amplifier gain

Recommended crystal series resistance

Crystal oscillator drive level

Crystal oscillator negative resistance

OutputPorts

P2-P7 sink current (see note 1)

P2-P7 leakage current (see note 1)

InputPorts

P3 input current high

P3 input current low

P4, P5, P7 input voltage low

P4, P5, P7 input voltage high

P6 input current high

P6 input current low

Typ.

Value

Conditions

Characteristic

Pin

12

13,14

13,14

4,5

4,5

4,5

4,5

4,5

4

1

1

1

16

2

6-11

6-11

10

10

6,8,9

6,8,9

7

7

12·5

30

3

0

500

10

750

20

2·7

43

50

2

50

170

6400

40

53

300

300

5·5

1·5

10

10

10

0·4

5

200

10

10

10

0·8

10

10

Units

Min.

Max.

mA

mVrms

mVrms

Ω

pF

V

V

µA

µA

µA

V

µA

µA

nA

Ω

mV p-p

Ω

mA

µA

µA

µA

V

V

µA

µA

50MHz to 1GHz

1·3GHz, see Fig. 5

Input voltage = 0V

Sink current = 3mA

Byte 4, bit 2 = 0, pin 1 = 2V

Byte 4, bit 2 = 1, pin 1 = 2V

Byte 4, bit 4 = 1, pin 1 = 2V

V pin 16 = 0·7V

Parallel resonant crystal (note 2)

V pin 10 = 13·2V

V pin 10 = 0V

See Table 3 for ADC levels

NOTES

1. Source impedance between all output ports and ground is approximately 5

Ω. This should be taken into account when calculating output port

saturation voltages.

2. The recommended crystal series resistance quoted refers to all conditions including start-up.