HDMP-2689 Datasheet, PDF(24/28 Page) Agilent(Hewlett-Packard) – Quad 2.125/1.0625 GBd Fibre Channel General Purpose SerDes

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HDMP-2689 Datasheet, PDF (24/28 Pages) Agilent(Hewlett-Packard) – Quad 2.125/1.0625 GBd Fibre Channel General Purpose SerDes

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Pin List, continued

I/O DEFINITION

Name Pin

Type

Signal

TDC0

TDC1

TDC2

TDC3

TDC4

TDC5

TDC6

TDC7

TDC8

TDC9

TDD0

TDD1

TDD2

TDD3

TDD4

TDD5

TDD6

TDD7

TDD8

TDD9

VREF

RREFA

RSVN1

RSVN2

RSV1

VDD

VDDA1

VDDA2

VDDA3

VDDQ

T09

I-SSTL2 Data Inputs: Parallel data on this bus is clocked in by TCC. See timing diagram in Figure 9. See Table 2 for interpretation

U10

of this bus under different PMX settings.

U12

T10

R10

T11

T12

U14

T13

P11

P15

I-SSTL2 Data Inputs: Parallel data on this bus is clocked in by TCD. See timing diagram in Figure 9. See Table 2 for interpretation

R16

of this bus under different PMX settings.

M14

P16

L14

T17

N16

K14

M16

P17

F13

O-ANLG Parallel Side Voltage Reference: SSTL_2 output reference voltage, VREF

D10

O-ANLG Analog Voltage Reference: Pin used to connect to an external 12Kâ¦ (1% or better tolerance) reference resistor,

which is connected to ground.

D02

I-CMOS Reserved â Active Low: This is intended for vendor specific functions. Tied to VDDQ in normal operation.

E02

I-CMOS Reserved â Active Low: This is intended for vendor specific functions. Tied to VDDQ in normal operation.

F14

I-CMOS Reserved â Active High: This is intended for vendor specific functions. Tied to GND in normal operation.

E04, G05, S

G13, J05,

J13, L05,

L13, M07,

M09, M11,

N07, N09,

N11

Power Supply: Normally 1.8 volts. Used for core digital logic.

B02, C01

C03, D04

E07

A04, A08

A10, A14

B06, B12

C05, C07

C11, C13

D06, D12

E09

B16, C15

C17, D14

E11

High Speed I/O Supply: Normally 1.8 volts. Used only for the last stage of the high-speed transmitter I/O cells

(HS_IN/HS_OUT). Due to high current transitions, this supply should be well bypassed to a ground plane.

VDDA1, VDDA3: Supplies for high-speed differential inputs.

VDDA2: Supply for high-speed differential outputs.

E03, G01, S

G17, J03,

J15, L01,

L17, N03,

N15, R01,

R05, R09,

R13, R17,

U03, U07,

U11, U15

Digital I/O Supply: Normally 2.5 volts for SSTL_2 I/O pads.

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