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Recommended dc operating conditions, Capacitance, Dc characteristics – Rainbow Electronics DS21458 User Manual

Page 252

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DS21455/DS21458 Quad T1/E1/J1 Transceivers

252 of 270

RECOMMENDED DC OPERATING CONDITIONS

(T

A

= 0

°C to +70°C for DS21455/DS21458; T

A

= -40

°C to +85°C for DS21455N/DS21458N.)

PARAMETER SYMBOL

MIN TYP MAX

UNITS

NOTES

Logic 1

V

IH

2.0 5.5 V

Logic 0

V

IL

-0.3 +0.8 V

Supply V

DD

3.135 3.3 3.465 V 1


CAPACITANCE

(T

A

= +25

°C)

PARAMETER SYMBOL

MIN TYP MAX

UNITS

NOTES

Input Capacitance

C

IN

5 pF

Output Capacitance

C

OUT

7 pF



DC CHARACTERISTICS

(V

DD

= 3.3V

±5%, T

A

= 0°C to +70°C for DS21455/DS21458;

V

DD

= 3.3V

±5%, T

A

= -40°C to +85°C for DS21455N/DS21458N.)

PARAMETER SYMBOL

MIN TYP MAX

UNITS

NOTES

Supply Current

I

DD

75 mA

2

Input Leakage

I

IL

-1.0 +1.0

mA

3

Output Leakage

I

LO

1.0

mA

4

Output Current (2.4V)

I

OH

-1.0 mA

Output Current (0.4V)

I

OL

+4.0

mA

NOTES:

1) Applies to RV

DD

, TV

DD

, and DV

DD

.

2) TCLK = TCLKI = RCLKI = TSYSCLK = RSYSCLK = MCLK = 1.544MHz; outputs open circuited.
3) 0.0V < V

IN

< V

DD

.

4) Applied to

INT when tri-stated.