DS14196WM datasheet(3/7 Pages) NSC

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Electrical Characteristics(Note 2) (Note 3) (Continued)

Over recommended operating supply and temperature ranges unless otherwise specified

Symbol

Parameter

Conditions

Min

Typ

Max

Units

RECEIVER CHARACTERISTICS

High Level Output Voltage

(Note 7)

OH = −0.5 mA, VIN = −3V

2.6

4.0

OH = −10 µA, VIN = −3V

4.0

4.9

OH = −0.5 mA, VIN = Open Circuit

2.6

4.0

OH = −10 µA, VIN = Open Circuit

4.0

4.9

Low Level Output Voltage

OL = 3.2 mA, VIN = +3V

0.2

0.4

OSR

Short Circuit Current

OUT = 0V, VIN = 0V (Note 4)

−1.7

−2.7

−4

Switching Characteristics (Note 3) (Note 5) (Note 6)

A = 25˚C

Symbol

Parameter

Conditions

Min

Typ

Max

Units

DRIVER CHARACTERISTICS

PHL

Propagation Delay High to Low

L = 3kΩ,CL = 50 pF

(

Figures 1, 2)

350

PLH

Propagation Delay Low to High

300

450

r,tf

Rise/Fall Time (Note 8)

RECEIVER CHARACTERISTICS

PHL

Propagation Delay High to Low

L = 1.5 kΩ,CL = 15 pF

(includes fixture plus probe),

(

Figures 3, 4)

150

350

PLH

Propagation Delay Low to High

240

350

Rise Time

175

Fall Time

100

Note 1: Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the devices

should be operated at these limits. The table of Electrical Characteristics specifies conditions of device operation.

Note 2: Current into device pins is defined as positive. Current out of the device pins is defined as negative. All voltages are referenced to ground unless otherwise

specified. For current, minimum and maximum values are specified as an absolute value and the sign is used to indicate direction. For voltage logic levels, the more

positive value is designated as maximum. For example, if −6V is a maximum, the typical value −6.8V is more negative.

Note 3: All typicals are given for: VCC = +5V, V

+ = +12V, V− = −12V, T

A = +25˚C.

Note 4: Only one driver output shorted at a time.

Note 5: Generator characteristics for driver input: f = 64 kHz (128 kbps), tr = tf < 10 ns, VIH = 3V, VIL = 0V, duty cycle = 50%.

Note 6: Generator characteristics for receiver input: f = 64 kHz (128 kbps), tr = tf = 200 ns, VIH = 3V, VIL = −3V, duty cycle = 50%.

Note 7: If receiver inputs are unconnected, receiver output is a logic high.

Note 8: Refer to typical curves. Driver output slew rate is measured from the +3V to the −3V level on the output waveform. Inputs not under test are connected to

VCC or GND. Slew rate is determined by load capacitance. To comply with a 30 V/µs maximum slew rate, a minimum load capacitance of 390 pF is recommended.

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