MC75172B MC75174B

2

MOTOROLA ANALOG IC DEVICE DATA

MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Power Supply Voltage

VCC

–0.5, +7.0

Vdc

Input Voltage (Data, Enable)

Vin

+7.0

Vdc

Input Current (Data, Enable)

Iin

–24

mA

Applied Output Voltage, when in 3–State Condition

(VCC = 5.0 V)

Vza

–10, +14

Vdc

Applied Output Voltage, when VCC = 0 V

Vzb

±14

Output Current

IO

Self–Limiting

–

Storage Temperature

Tstg

–65, +150

°C

Devices should not be operated at these limits. The “Recommended Operating Conditions” table provides

for actual device operation.

RECOMMENDED OPERATING CONDITIONS

Characteristic

Symbol

Min

Typ

Max

Unit

Power Supply Voltage

VCC

+4.75

+5.0

+5.25

Vdc

Input Voltage (All Inputs)

Vin

0

–

VCC

Vdc

Output Voltage in 3–State Condition, or when VCC = 0 V

Vcm

–7.0

–

+12

Vdc

Output Current (Normal data transmission)

IO

–65

–

+65

mA

Operating Ambient Temperature (see text)

EIA–485

EIA–422

TA

–40

0

–

–

+85

+85

°C

All limits are not necessarily functional concurrently.

°C p TA p 85°C, 4.75 V p VCC p 5.25 V, unless otherwise noted.)

Characteristic

Symbol

Min

Typ

Max

Unit

Output Voltage

Single–Ended Voltage

IO = 0

High @ IO = –33 mA

Low @ IO = +33 mA

Differential Voltage

Open Circuit (IO = 0)

RL = 54 Ω (Figure 1)

VO

VOH

VOL

VOD1

VOD2

0

–

–

1.5

1.5

–

4.0

1.6

3.4

2.3

6.0

–

–

6.0

5.0

Vdc

Change in Differential*, RL = 54 Ω (Figure 1)

Differential Voltage, RL = 100 Ω (Figure 1)

Change in Differential*, RL = 100 Ω (Figure 1)

Differential Voltage, –7.0 V

p Vcm p 12 V (Figure 2)

Change in Differential*, –7.0 V

p Vcm p 12 V (Figure 2)

Offset Voltage, RL = 54 Ω (Figure 1)

Change in Offset*, RL = 54 Ω (Figure 1)

∆VOD2

VOD2A

∆VOD2A

VOD3

∆VOD3

VOS

∆VOS

–

–

–

1.5

–

–

–

5.0

2.2

5.0

–

5.0

2.9

5.0

200

–

200

5.0

200

–

200

mVdc

Vdc

mVdc

Vdc

mVdc

Vdc

mVdc

Output Current (Each Output)

Power Off Leakage, VCC = 0, –7.0 V p VO p 12 V

Leakage in 3–State Mode, –7.0 V

p VO p 12 V

IO(off)

IOZ

–50

–50

0

0

+50

+50

µA

Short Circuit Current to Ground

Short Circuit Current, –7.0 V

p VO p 12 V

IOSR

IOS

–150

–250

–

–

+150

+250

mA

*Vin switched from 0.8 to 2.0 V.

Typical values determined at 25

°C ambient and 5.0 V supply.