ICL3225_06 datasheet(6/18 Pages) INTERSIL | 1 Microamp, +3V to +5.5V, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown

6 page

FN4878.8

February 27, 2006

Output Leakage Current

VOUT = ±12V, VCC = 0V or 3V to 5.5V

Automatic Powerdown or FORCEOFF = GND

Full

±25

µA

MOUSE DRIVEABILITY

Transmitter Output Voltage

(See Figure 11)

T1IN = T2IN = GND, T3IN = VCC, T3OUT Loaded with 3kΩ to GND,

T1OUT and T2OUT Loaded with 2.5mA Each

Full

±5-

ENHANCED AUTOMATIC POWERDOWN (FORCEON = GND, FORCEOFF = VCC)

Receiver Input Thresholds to

INVALID High

See Figure 6

Full

-2.7

2.7

Receiver Input Thresholds to

INVALID Low

See Figure 6

Full

-0.3

0.3

INVALID, READY Output Voltage

Low

IOUT = 1.6mA

Full

0.4

INVALID, READY Output Voltage

High

IOUT = -1.0mA

Full

VCC-0.6

Receiver Positive or Negative

Threshold to INVALID High Delay

(tINVH)

µs

Receiver Positive or Negative

Threshold to INVALID Low Delay

(tINVL)

µs

Receiver or Transmitter Edge to

Transmitters Enabled Delay (tWU)

Note 2

100

µs

Receiver or Transmitter Edge to

Transmitters Disabled Delay

(tAUTOPWDN)

Note 2

Full

sec

TIMING CHARACTERISTICS

Maximum Data Rate

RL = 3kΩ, One Transmitter

Switching

CL = 1000pF

Full

250

kbps

VCC = 3V to 4.5V, CL = 250pF

Full

1000

kbps

VCC = 4.5V to 5.5V,

CL = 1000pF

Full

1000

kbps

Receiver Propagation Delay

Receiver Input to Receiver Output,

CL = 150pF

tPHL

0.15

µs

tPLH

0.15

µs

Receiver Output Enable Time

Normal Operation

200

Receiver Output Disable Time

Normal Operation

200

Transmitter Skew

tPHL - tPLH (Note 3)

Receiver Skew

tPHL - tPLH (Note 3)

Transition Region Slew Rate

VCC = 3.3V, RL = 3kΩ to 7kΩ, Measured from 3V to -3V or -3V to

3V, CL = 150pF to 1000pF

150

µs

ESD PERFORMANCE

RS-232 Pins (TOUT, RIN)

Human Body Model

±15

IEC61000-4-2 Contact Discharge

±8-

IEC61000-4-2 Air Gap Discharge

±8-

All Other Pins

Human Body Model

±2.5

NOTES:

2. An “edge” is defined as a transition through the transmitter or receiver input thresholds.

3. Skews are measured at the receiver input switching points (1.4V).

Electrical Specifications

Test Conditions: VCC = 3V to 5.5V, C1 - C4 = 0.1µF; Unless Otherwise Specified.

Typicals are at TA = 25°C (Continued)

PARAMETER

TEST CONDITIONS

TEMP

(°C)

MIN

TYP

MAX UNITS

ICL3225, ICL3245

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