MC100ELT28D(2008) データシートの表示（PDF） - ON Semiconductor

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MC100ELT28D
(Rev.:2008)

5 V TTL to Differential PECL and Differential PECL to TTL Translator

ON Semiconductor 

MC10ELT28, MC100ELT28

Table 7. TTL INPUT DC CHARACTERISTICS VCC = 4.75 V to 5.25 V; TA = −40°C to 85°C

Symbol

Characteristic

Condition

Min

Typ

Max

Unit

IIH

Input HIGH Current

IIHH

Input HIGH Current

IIL

Input LOW Current

VIK

Input Clamp Diode Voltage

VIN = 2.7 V

VIN = 7.0 V

VIN = 0.5 V

IIN = −18 mA

20

mA

100

mA

−0.6

mA

−1.2

V

VIH

Input HIGH Voltage

2.0

V

VIL

Input LOW Voltage

0.8

V

NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit

board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are guaranteed only over the declared

operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification

limit values are applied individually under normal operating conditions and not valid simultaneously.

Table 8. AC CHARACTERISTICS VCC = 4.75 V to 5.25 V (Note 9)

−40°C

25°C

85°C

Symbol

Characteristic

Min Typ Max Min Typ Max Min Typ Max Unit

fmax

Maximum Toggle Frequency

TBD

100

TBD

MHz

tPLH

Propagation Delay @ 1.5 V

DECL to QTTL 2.0

DTTL to QECL 0.6

5.5 2.0

5.5 2.0

1.2 0.9 1.2 1.5 0.6

ns

5.5

1.35

tPHL

Propagation Delay @ 1.5 V

DECL to QTTL 2.0

DTTL to QECL 0.4

5.5 2.0

5.5 2.0

1.0 0.5 0.8 1.1 0.7

ns

5.5

1.3

tr, tf

Rise/Fall Times

(20% − 80%)

QECL 0.15

1.5 0.15

1.5 0.15

1.5 ns

VPP

PECL Input Swing (Note 10)

tr/tf

Output Rise Time (10% − 90%)

Output Fall Time (10% − 90%)

200

1000 200

1000 200

1000 mV

1.6

ns

1.1

ns

NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit

board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are guaranteed only over the declared

operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification

limit values are applied individually under normal operating conditions and not valid simultaneously.

9. RL = 500 W to GND and CL = 20 pF to GND. Refer to Figure 2.

10. VPP(min) is the minimum input swing for which AC parameters are guaranteed.

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