MA28140 Datasheet, PDF(66/72 Page) Dynex Semiconductor

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MA28140 Datasheet, PDF (66/72 Pages) Dynex Semiconductor – Packet Telecommand Decoder

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MA28140

9.2 PIN ASSIGNMENT

The âtypeâ field gives the type of buffer used in the PTD:

CMOS

TTL

3STA

TTL/CMOS

TTL + 3STA

for CMOS input

for TTL input

for tri-state output

for TTL/CMOS output

for a bidirectional TTL input associated with a tri-state output

The âbufferâ field gives the name of the GPS MA9000a buffer used in the PTD:

CMOSIP

TTLIP

BOP

TRIOUT

CSCHMITT

for input CMOS buffer

for input TTL buffer

for TTL/CMOS output buffer

for output tristate buffer

for input CMOS buffer with Schmitt trigger

The âpu/pdâ field indicates if an internal pull up or pull down is present in the buffer.

Note: Internal pull-up or pull-down resistors should not be relied upon for proper operation and/or termination of

input levels under all operating conditions without prior consultation with GPS.

Transponde r Inte rface

signal

TCC0

TCC1

TCC2

TCC3

TCC4

TCC5

TCS0

TCS1

TCS2

TCS3

TCS4

TCS5

TCA0

TCA1

TCA2

TCA3

TCA4

TCA5

pin I/O type

82 I

CMOS

79 I

CMOS

75 I

CMOS

72 I

CMOS

68 I

CMOS

65 I

CMOS

81 I

CMOS

78 I

CMOS

74 I

CMOS

71 I

CMOS

67 I

CMOS

64 I

CMOS

80 I

CMOS

77 I

CMOS

73 I

CMOS

70 I

CMOS

66 I

CMOS

63 I

CMOS

pu/pd

buffe r

CSCHMITT

comme nts

Symbol Clock signal

Symbol Stream signal

Channel Active Indication

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