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GTL2020

32-bit GTL terminator with octal enables

Philips Electronics 

Philips Semiconductors

32-bit GTL terminator with octal enables

Product specification

GTL2020/GTL2021/

GTL2022/GTL2023

FEATURES

• GTL2020 rON is 56 Ω typical connected to 1.5 V VBIAS

• GTL2021 rON is 75 Ω typical connected to 1.5 V VBIAS

• GTL2022 rON is 100 Ω typical connected to 1.5 V VBIAS

• GTL2023 rON is 150 Ω typical connected to 1.5 V VBIAS

• Low power: 50 µW

• Switching speed: 5 ns max.

• Channel on capacitance: 3 pF

• VCC operating range: +5 V ±10%

• Latch-up protection passes Class II JESD78

• ESD protection exceeds 2000 V HBM per JESD22-A114,

200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101

• Available in TSSOP56 package

DESCRIPTION

The GTL202x series are 32-bit bus switches with GTL termination

and octal output enables. The GTL202x is intended to provide GTL

bus termination in multi-processor environments.

The enable pins allow the system control to disconnect the bus

termination. When the bus switch is enabled, a 56, 75, 100 or 150 Ω

series resistance is connected to the GTL Vbias.

PIN CONFIGURATION

VBIAS0A 1

EN0 2

A0 3

A1 4

A2 5

A3 6

GND 7

VBIAS1A 8

EN1 9

A8 10

A9 11

A10 12

A11 13

GND 14

VBIAS2A 15

EN2 16

A16 17

A17 18

A18 19

A19 20

GND 21

VBIAS3A 22

EN3 23

A24 24

A25 25

A26 26

A27 27

GND 28

QUICK REFERENCE DATA

SYMBOL

PARAMETER

tPE/PD

CON

COFF

Bus enable/disable

Input capacitance switch on

Input capacitance switch off

CONDITIONS

Tamb = 25°C; GND = 0V

CL = 20 pF, RL = 500 Ω

VIN = 0 V

VIN = 0 V

ORDERING INFORMATION

PACKAGES

56-Pin Plastic TSSOP Type II

56-Pin Plastic TSSOP Type II

56-Pin Plastic TSSOP Type II

56-Pin Plastic TSSOP Type II

TEMPERATURE RANGE

–40°C to +85°C

–40°C to +85°C

–40°C to +85°C

–40°C to +85°C

ORDER CODE

GTL2020 DGG

GTL2021 DGG

GTL2022 DGG

GTL2023 DGG

56 VCC

55 VBIAS0B

54 A4

53 A5

52 A6

51 A7

50 NC

49 VCC

48 VBIAS1B

47 A12

46 A13

45 A14

44 A15

43 NC

42 VCC

41 VBIAS2B

40 A20

39 A21

38 A22

37 A23

36 NC

35 VCC

34 VBIAS3B

33 A28

32 A29

31 A30

30 A31

29 NC

SW00473

TYPICAL

2.5

3

6

UNIT

nS

pF

pF

DWG NUMBER

SOT364-1

SOT364-1

SOT364-1

SOT364-1

2000 Jan 14

2

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