Matching Characteristics (for specified operating conditions

Parameter

Symbol

Min

Typ

Max

Units

Crystal tolerance

use parallel resonate crystal and

Ct

-100

0

100

ppm

recommended padding capacitors

Minimum amplifier sensitivity

-

-

500

nA

Maximum amplifier input current

Imax

1

-

-

mA

Rtre placed between TRC and GND

Rtrc

0.8k

-

40k

Ω

Laser current (max limit)

Rtrc=0.8 kOhm

Ilaser

75

100

125

mA

Rtrc=40 kOhms

1.8

2.5

3.2

LED current

Rtrc=0.8 kOhm

Iled

75

100

125

mA

Rtrc=40 kOhm

1.8

2.5

3.2

Single-Fibermode Parameters

LED capacitance with Vr=0

with Irec=500 nA

CI

-

-

50

pF

with Irec=1000 nA

-

-

100

LED leakage current Vr=1.4

Lleak

-

-

500

nA

LED reverse bias

Vr

0.65

1.15

1.4

V

LASER PIN diode leakage current

Pleak

-

-

100

nA

Vrp=4.0V

LASER PINdiode reverse bias

Vrp

-

-

4.0

V

Dual-Fibermode Parameters

PIN capacitance with Vr=0

CI

-

-

20

pF

PINleakage current

Lleak

-

-

150

nA

PINreverse bias

Vr

0.95

1.15

1.4

V

©Copyright, Acapella Ltd., 1997

Acapella Ltd.

UK Tel.

01703 769 008

Epsilon House

UK Fax.

01703 768 612

Chilworth Research Centre

Southampton SO16 7NP

Intn’l. Tel.

+44 1703 769 008

England

Intn’l. Fax.

+44 1703 768 612

Dynamic Characteristics

Parameter

Symbol

Min

Typ

Max

Units

Crystal frequency

XTAL

1.0

9.216

12

MHz

(XT1, XTO)

External clock (XTI)

fclp

40

-

60

%

High or Low time

RxD and TxD data rate

‘standard’mode

fclp

XTAL/576

-

XTAL/72

bps

‘double’mode

XTAL/576

XTAL/144

RxCLand TxCLduty cycle

twh

-

50

-

%

(with TxCL= output)

twl

Frequency deviation at TxCLfrom

Fd

500

-

-

ppm

selected value (with TxCL= input)

TxD to TxCLset-up time

tsut

300

-

-

ns

TxD to TxCLhold time

tht

25

-

-

ns

RxD to RxCLset-up time

tsur

-

-

ns

RxD to RxCLhold time

thr

-

-

ns

Digital output - fall time

tf

-

-

100

ns

Digital output - rise time

tr

-

-

100

ns

Power consumption with

LASER/LED peak current = 50mA

Pc

-

35

-

mW

Single channel 64 kbps

(Note 2)

Note 2: Power consumption assumes CMOS loads. Check with Acapella for other bandwidth products.

0.5 *

(1/RxCL)

0.5 *

(1/RxCL)

Operating Conditions

Parameter

Symbol

Min

Typ

Max

Units

Power supply

V+

5.0

5.25

V

(VA+ and DA+)

Ambient temperature range

TA

-40

-

85

˚C

Static Digital Input Characteristics (for specified operating conditions)

Input pins: DR 1/2/3/4, DM 1/2/3, DP1/2/3/4 CKC, TXD1/2/3, PORB, TxCL(input)

Parameter

Symbol

Min

Typ

Max

Units

Vin High

Vih

2.0

-

-

V

Vin Low

Vil

-

-

0.8

V

Input currentIin

-

-

10

µA

Static Digital Input Characteristics (for specified operating conditions)

Input pins: XI1, XI2, SETB.

Parameter

Symbol

Min

Typ

Max

Units

Vin High

Vih

2.0

-

-

V

Vin Low

Vil

-

-

0.8

V

Pull-up resistor

PU

50k

125k

340k

Ω

Input current

Iin

-

-

100

µA

(Note 1)

Static Digital Output Characteristics (for specified operating conditions)

Output pins: RxD1/2/3, XO1 XO2, DCDB, ERRL, ERRD, RxCL, CLK9, TxCL(output), HBT.

Parameter

Symbol

Min

Typ

Max

Units

Vout Low (Iin = 4mA)

Vol

0

-

0.5

V

except HBT

Vout High (Iout = 4mA)

Voh

VDD-0.5

-

-

V

except HBT

Vout Low (Iin - 16mA)

Vol

0

-

0.5

V

HBT

Vout High (Iout = 16mA)

Voh

VDD-0.5

-

-

V

HBT

Max load capcitance

CI

-

-

50

pF

Note 1: Input current is mainly attributed to pull-up resistor, so it applies when input is Low.The High input current

is <10µA.

Absolute Maximum Ratings

Parameter

Symbol

Min

Max

Units

Power supply VD+ and VA+

VDD

-0.3

6.0

V

(VDD = VD+ or VA+)

Input voltage

Vin

GND - 0.3

VDD + 0.3

V

(non-supply pins)

Input current

Iin

-

10.0

mA

(except LAN,LAP,PINN,PINP,CNT)

Input current

Iin

-

1.0

mA

(LAN, LAP,PINN,PINP,CNT)

Storage temperature

Tstor

-50

160

˚C

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