74GTL1655TTR Ver la hoja de datos (PDF) - STMicroelectronics

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74GTL1655TTR

16 BIT LVTTL TO GTL/GTL + UNIVERSAL BUS TRANSCEIVERS WITH LIVE INSERTION

STMicroelectronics 

74GTL1655

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VCC Supply Voltage, Bias VCC

-0.5 to +4.6

V

VIA DC Input Voltage A Side, Control Input

-0.5 to +4.6

V

VIB

DC Input Voltage B Side, VERC, VREF

-0.5 to +4.6

V

VOA DC Output Voltage A Side

-0.5 to +4.6

V

VOB DC Output Voltage B Side

-0.5 to +4.6

V

IIK

DC Input Diode Current

- 50

mA

IOK DC Output Diode Current

- 50

mA

IOA DC Output Current A Side

± 48

mA

IOB DC Output Current B Side in the Low State

200

mA

Tstg Storage Temperature

-65 to +150

°C

TL

Lead Temperature (10 sec)

300

°C

Absolute Maximum Rating are those value beyond which damage to the device may occur. Functional operation under these condition is not

implied

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Min.

Value

Typ.

Max.

VCC Supply Voltage

VTT Termination Voltage

VREF Supply Voltage

VI

Input Voltage

VIH High Level Input Voltage

VIL

Low Level Input Voltage

IIK

Input Clamp Current

IOH High Level Output Current

IOL

Low Level Output Current

dt/dVCC Power -up ramp rate

Top Operating Temperature

3.0

3.3

3.6

GTL

1.14

1.2

1.26

GTL+

1.35

1.5

1.65

GTL

0.74

0.8

0.87

GTL+

0.87

1

1.1

B port

0

VTT

other

0

VCC

B port

VREF+0.05

other

2

B port

other

VREF-0.05

0.8

-18

A port

-24

A port

24

B port

100

200

-40

85

1) VTT and RTT can be adjusted to adapt backplane impedance if DC raccomanded IOL ratings are not exceeded

2) VREF can be adjusted to optimaze noise margin (typ two-thirds VTT)

Unit

V

V

V

V

V

V

mA

mA

mA

µs/V

°C

5/14

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