60 Absolute Maximum Ratings

Input Voltage (TTL)

0 to 55V

Input Voltage (differential)

b

Output Voltage (differential)

0 to 16V

Output Current (differential)

b

40 mA

Storage Temperature

b

65 to 150 C

Lead Temperature (soldering 10 sec)

300 C

Package Power Rating for DIP at 25 C

295W

(PC Board Mounted)

Derate Linearly at the rate of 238 mW C

Package Power Rating for PCC at 25 C

192W

Derate Linearly at the rate of 154 mW C

For actual power dissipation of the device please refer to

Section 70

ESD rating

2000V

Recommended Operating

Conditions

Ambient Temperature (DIP)

0 to 70 C

(PCC)

0 to 55 C

Note

Absolute maximum ratings are those values beyond

which the safety of the device cannot be guaranteed They

are not meant to imply that the device should be operated at

these limits

70 Electrical Characteristics

Symbol

Parameter

Test Conditions

Min

Max

Units

Input High Voltage (TTL)

20

V

Input High Voltage (X1)

No Series Resistor

20

V

Input High Voltage (X1)

1k Series Resistor

20

V

Input Low Voltage (TTL and X1)

08

V

Input High Current (TTL)

50

m

A

500

m

A

Input Low Current (TTL)

b

300

m

A

b

700

m

A

Input Clamp Voltage (TTL)

b

12

V

Ouptut High Voltage (TTLMOS)

35

V

Output Low Voltage (TTLMOS)

05

V

Output Short Circuit Current (TTLMOS)

b

40

b

200

mA

g

550

g

1200

mV

270X from each to GND

same as above

g

40

mV

b

175

b

300

mV

b

525

525

V

Power Supply Current

10Mbits

270

mA

Symbol

Parameter

Figure

Min

Typ

Max

Units

OSCILLATOR SPECIFICATION

X1 to Transmit Clock High

12

8

20

ns

X1 to Transmit Clock Low

12

8

20

ns

TRANSMIT SPECIFICATION

Transmit Clock Duty Cycle at 50% (10 MHz)

12

42

50

58

%

Transmit Clock Rise Time (20% to 80%)

12

8

ns

Transmit Clock Fall Time (80% to 20%)

12

8

ns

Transmit Data Setup Time to Transmit Clock Rising Edge

4

12

20

ns

Transmit Data Hold Time from Transmit Clock Rising Edge

4

12

0

ns

Transmit Enable Setup Time to Trans Clock Rising Edge

4

12

20

ns

Transmit Enable Hold Time from Trans Clock Rising Edge

5

12

0

ns

Note 1

All currents into device pins are positive all currents out of device pins are negative All voltages are referenced to ground unless otherwise specified

Note 2

6