PS20230

PLESSEY SEMICONDUCTORS LTD

TAMERTON ROAD | ROBOROUGH | PLYMOUTH | DEVON | PL6 7BQ

21

9.3 DC Electrical Characteristics

Table 4 DC electrical characteristics

Symbol

Parameter

Conditions

Pins

Min

Typ

Max

Units

VDD

Operating voltage:

periphery

3.14

3.3

3.47

V

CVDD

core

1.71

1.8

1.89

V

Supply current

1.71<CVDD<1.89

185

mA

Suspend supply current

Host computer

95

µA

PS20230

disconnected

Suspend supply current

Host computer

295

µA

SYSTEM

connected

Outputs

IOH 2mA

SLEEP

2.4

-

-

V

3.14<VDD<3.47

IOH 6mA

GPP(7:0)

2.4

-

-

V

3.14<VDD<3.47

Output levels

IOL 2mA

SLEEP

-

-

0.4

V

3.14<VDD<3.47

IOL 6mA

GPP(7:0), CLK1,

-

-

0.4

V

3.14<VDD<3.47

CLK2, DATA1,

DATA2, AGC1,

AGC2

Output capacitance

SLEEP

-

3.0

-

pF

GPP(7:0), CLK1,

-

3.6

-

pF

Not including track

CLK2, DATA1,

DATA2, AGC1,

AGC2

Output leakage current (tri-state)

-

-

1

µA

Inputs

Input levels

3.14<VDD<3.47

GPP(7:0),

2.0

-

-

V

-0.5 ≥ Vin ≥

ADFMT, IRDI

VDD+0.5V

Input levels

3.14<VDD<3.47

DATA1, DATA2,

2.0

-

-

V

-0.5 ≥ Vin ≥ +5.5V

CLK1, CLK2,

RESETB

Input levels

3.14<VDD<3.47

All inputs

-

-

0.8

V

Input leakage current

IRDI, ADFMT,

-

-

±1

µA

Input capacitance

Capacitances do

RESETB

-

1.5

-

pF

Input capacitance

not include track

CLK1, CLK2,

-

3.3

-

pF

DATA(1:2),

GPP(7:0)

9.4 Crystal specification

Parallel resonant fundamental frequency (preferred)

24.00 MHz

Tolerance overall, including frequency accuracy and over temperature ± 100ppm

Equivalent series resistance (ESR)

30 Ohms ideal – 50 Ohms maximum.

Typical load capacitance (CL)

20 pF

Drive level

1 mW

Value of C1, C2 (parallel capacitors in the application) for an ESR of 30 Ohms – 33pF