HDMP-1637A Ver la hoja de datos (PDF) - HP => Agilent Technologies

Número de pieza

componentes Descripción

Fabricante

HDMP-1637A

Gigabit Ethernet SerDes Circuit with Differential PECL Clock Inputs

HP => Agilent Technologies 

8

HDMP-1637A (TRx)

PECL DC Electrical Specifications for REFCLK

TA = 0°C to +70°C, VCC = 3.15 V to 3.45 V

Symbol

Parameter

VIH,PECL PECL Input High Voltage Level

VIL,PECL PECL Input Low Voltage Level

Unit

V

V

Min.

2.14

1.49

Typ.

Max.

2.42

1.82

HDMP-1637A (TRx)

AC Electrical Specifications

TA= 0°C to +70°C, VCC = 3.15 V to 3.45 V

Symbol

Parameter

tr,REFCLK

+REFCLK/-REFCLK Rise Time, 20% to 80%

tf,REFCLK

+REFCLK/-REFCLK Fall Time, 80% to 20%

tr,TTLout

Output TTL Rise Time, 0.8 to 2.0 volts, 10pF Load

tf,TTLout

Output TTL Fall Time, 2.0 to 0.8 volts, 10pF Load

trs, HS_OUT HS_OUT Single-Ended (+DOUT) Rise Time

tfs,HS_OUT

HS_OUT Single-Ended (+DOUT) Fall Time

trd, HS_OUT HS_OUT Differential Rise Time

tfd,HS_OUT HS_OUT Differential Fall Time

VIP,HS_IN

HS_IN Input Peak-To-Peak Differential Voltage

VOP,HS_OUT[1] HS_OUT Output Pk-Pk Diff. Voltage (Z0=50 Ohms, Fig.10)

Units

ns

ns

ns

ns

ps

ps

ps

ps

mV

mV

Note:

1. Output Peak-to-Peak Differential Voltage specified as DOUT+ minus DOUT-.

Min. Typ.

85

85

85

85

200

1200

0.8

0.5

1200

1600

Max.

0.6

0.6

2.4

2.4

327

327

327

327

2000

2200

X1

X2

120.0 ps/div

CURRENT

RISETIME (f2) < 1 ps

FALLTIME (f2) < 1 ps

130.3664 ns

Y

X

1 (f2) = –637.00 mV 130.549 ns

2 (f2) = 636.00 mV 131.349 ns

∆ = 1.27300 V 800 ps

1/∆X = 1.250 GHz

WAVEFORM MATH

f1 = 3 – 4

f2 = 1 – 2

FUNCTION

f1

f2

DEFINE

FUNCTION...

DISPLAY

off

on

VERTICAL SCALE

auto manual

Y SCALE

250 mV/div

Y OFFSET

0.0 V

Figure 7. Eye Diagram of a High Speed Differential Output.

Share Link: