SN75LPE185

LOW-POWER MULTIPLE RS-232 DRIVERS/RECEIVERS

WITH ENABLE

SLLS256D – DECEMBER 1996 – REVISED OCTOBER 1998

5

POST OFFICE BOX 655303

supply currents over the recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

No load,

VDD = 9 V, VSS = –9 V, EN at GND,

See Note 5

1000

ICC

Supply current for VCC

All inputs at

minimum VOH

VDD = 12 V, VSS = –12 V, EN at GND

1000

µA

CC

y

CC

minimum VOH

or maximum VOL

EN, MODE at VCC

650

µ

or maximum VOL

EN at VCC, MODE at GND

700

No load,

VDD = 9 V, VSS = –9 V, EN at GND,

See Note 5

800

IDD

Supply current for VDD

All inputs at

minimum VOH

VDD = 12 V, VSS = –12 V, EN at GND

800

µA

DD

y

DD

minimum VOH

or maximum VOL

EN, MODE at VCC

20

µ

or maximum VOL

EN at VCC, MODE at GND

20

No load,

VDD = 9 V, VSS = –9 V, EN at GND,

See Note 5

–625

ISS

Supply current for VSS

All inputs at

minimum VOH

VDD = 12 V, VSS = –12 V, EN at GND

–625

µA

SS

y

SS

minimum VOH

or maximum VOL

EN, MODE at VCC

–50

µ

OL

EN at VCC, MODE at GND

–50

NOTE 5: Minimum RS-232 driver output voltages are not attained with

±5-V supplies.

driver electrical characteristics over the recommended operating conditions (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High-level

VI = 0.8 V, RL = 3 kΩ,

VDD = 9 V, VSS = –9 V, EN at GND,

See Note 5

5

5.8

6.6

V

VOH

g

output voltage

I

,

L

,

See Figure 1

VDD = 12 V, VSS = –12 V,

EN at GND, See Note 6

5

5.8

6.6

V

VOL

Low-level

VI = 2 V, RL = 3 K,

VDD = 9 V, VSS = –9 V, EN at GND,

See Note 5

–5

–5.8

–6.9

V

VOL

output voltage

I

,

L

,

See Figure 1

VDD = 12 V, VSS = –12 V,

EN at GND, See Note 6

–5

–5.8

–6.9

V

IIH

High-level input current

VI at VCC

1

µA

IIL

Low-level input current

VI at GND

–1

µA

IOZ

High-impedance

output current

VCC = 5 V,

VDD = 12 V, VSS = –12 V,

–5 V

≤ VO ≤ 5 V

±100

µA

IOS(H)

Short-circuit high-level

output current

VO = GND or VSS,

See Figure 2 and Note 7

–30

–55

mA

IOS(L)

Short-circuit low-level

output current

VO = GND or VSS,

See Figure 2 and Note 7

30

55

mA

ro

Output resistance

VDD = VSS = VCC = 0,

VO = 2 V

300

Ω

NOTES:

5. Minimum RS-232 driver output voltages are not attained with

±5-V supplies.

6. Maximum output swing is limited to

±5.5 V to enable the higher data rates associated with this device and to reduce EMI emissions.

7. Not more than one output should be shorted at one time.