DS21Q42 データシートの表示（PDF） - Maxim Integrated

部品番号

コンポーネント説明

メーカー

DS21Q42

Enhanced Quad T1 Framer

Maxim Integrated 

DS21Q42

PIN

SYMBOL TYPE DESCRIPTION

81

RSYSCLK2

I Receive System Clock for Elastic Store in Framer 2

82

RSYNC2

I/O Receive Sync for Framer 2

83

RSER2

O Receive Serial Data from Framer 2

84

JTDI

I JTAG Test Data Input

[RMSYNC2] [O] [Receive Multiframe Sync from Framer 2]

85

RFSYNC2

O Receive Frame Sync from Framer 2

86

JTDO

O JTAG Test Data Output

[RLOS/LOTC2] [O] [Receive Loss of Sync/Loss of Transmit clock from Framer 2]

87

TCLK2

I Transmit Clock for Framer 2

88

TLCLK2

O Transmit Link Clock from Framer 2

89

TSYNC2

I/O Transmit Sync for Framer 2

90

TLINK2

I Transmit Link Data for Framer 2

91

TSYSCLK3

I Transmit System Clock for Elastic Store in Framer 3

92

TSER3

I Transmit Serial Data for Framer 3

93

TSSYNC3

I Transmit Sync for Elastic Store in Framer 3

94

TSIG3

I Transmit Signaling Input for Framer 3

[TCHCLK3] [O] [Transmit Channel Clock from Framer 3]

95

TCHBLK3

O Transmit Channel Block from Framer 3

96

TPOS3

O Transmit Bipolar Data from Framer 3

97

TNEG3

O Transmit Bipolar Data from Framer 3

98

RLINK3

O Receive Link Data from Framer 3

99

RLCLK3

O Receive Link Clock from Framer 3

100

RCLK3

I Receive Clock for Framer 3

101

RNEG3

I Receive Bipolar Data for Framer 3

102

RPOS3

I Receive Bipolar Data for Framer 3

103

RSIG3

O Receive Signaling Output from Framer 3

[RCHCLK3] [O] [Receive Channel Clock from Framer 3]

104

RCHBLK3

O Receive Channel Block from Framer 3

105

RSYSCLK3

I Receive System Clock for Elastic Store in Framer 3

106

RSYNC3

I/O Receive Sync for Framer 3

107

RSER3

O Receive Serial Data from Framer 3

108

8MCLK

O 8MHz Clock

[RMSYNC3] [O] [Receive Multiframe Sync from Framer 3]

109

RFSYNC3

O Receive Frame Sync from Framer 3

110

VSS

— Signal Ground

111

VDD

— Positive Supply Voltage

112

CLKSI

I 8MCLK Clock Reference Input

[RLOS/LOTC3] [O] [Receive Loss of Sync/Loss of Transmit clock from Framer 3]

113

TCLK3

I Transmit Clock for Framer 3

114

TLCLK3

O Transmit Link Clock from Framer 3

115

TSYNC3

I/O Transmit Sync for Framer 3

116

TLINK3

I Transmit Link Data for Framer 3

117

D0 or AD0

I/O Data Bus Bit or Address/Data Bit 0; LSB

118

D1 or AD1

I/O Data Bus Bit or Address/Data Bit 1

119

D2 or AD2

I/O Data Bus Bit or Address/Data Bit 2

120

D3 or AD3

I/O Data Bus Bit or Address/Data Bit 3

121

D4 or AD4

I/O Data Bus Bit or Address/Data Bit 4

10 of 116

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