IDT82V2044 データシートの表示（PDF） - Integrated Device Technology

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IDT82V2044

QUAD T1/E1 SHORT HAUL LINE INTERFACE UNIT

Integrated Device Technology 

IDT82V2044

QUAD T1/E1 SHORT HAUL LINE INTERFACE UNIT

Table-1 Pin Description (Continued)

Name

TDO

TDI

VDDIO

GNDIO

VDDT

GNDT

VDDD

VDDA

GNDD

GNDA

Type

O

High-Z

I

Pull-up

-

-

-

-

-

-

-

-

Pin No.

TQFP144 PBGA160

Description

TDO: JTAG Test Data Output

98

F13

This pin output the serial data of the JTAG Test. The data on TDO is clocked out of the device on the fall-

ing edges of TCK. TDO is a high-Z output signal. It is active only when scanning of data is out. This pin

should be left float when unused.

TDI: JTAG Test Data Input

99

F12 This pin input the serial data of the JTAG Test. The data on TDI is clocked into the device on the rising

edges of TCK. This pin has an internal pull-up resistor and it can be left disconnected.

Power Supplies and Grounds

17

92

G1

G14

3.3 V I/O Power Supply

1

B1

2

B2

7

B3

8

B12

9

B13

18

B14

91

100

D1

D2

I/O GND

101

D3

102

D12

107

D13

108

D14

109

G4

144

G11

44

A4, A11

53

B4, B11

56

C4, C11 3.3 V/5 V Power Supply for Transmitter Driver

65

D4, D11 All VDDT pins must be connected to 3.3 V or all VDDT must be connected to 5 V. It is not allowed to leave

116

L4, L11 any of the VDDT pins open (not-connected) even if the channel is not used.

125 M4, M11 For T1 applications, only 5 V VDDT is supported.

128 N4, N11

137

P4, P11

47

A6, A9

50

B6, B9

59

C6, C9

62

119

D6, D9

L6, L9

Analog GND for Transmitter Driver

122

M6, M9

131

N6, N9

134

P6, P9

19

H1 3.3 V Digital Core Power Supply

90

H14 3.3 V Analog Core Power Supply

20

H4 Digital Core GND

89

H11 Analog Core GND

Pin Description

10

September 22, 2005

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