HDMP-1637A datasheet(8/16 Pages) HP

8 / 16 page

HDMP-1637A (TRx)

AC Electrical Specifications

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

Symbol

Parameter

Units

Min.

Typ.

Max.

tr,REFCLK

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

0.6

tf,REFCLK

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

0.6

tr,TTLout

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

0.8

2.4

tf,TTLout

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

0.5

2.4

trs, HS_OUT

HS_OUT Single-Ended (+DOUT) Rise Time

327

tfs,HS_OUT

HS_OUT Single-Ended (+DOUT) Fall Time

327

trd, HS_OUT

HS_OUT Differential Rise Time

327

tfd,HS_OUT

HS_OUT Differential Fall Time

327

VIP,HS_IN

HS_IN Input Peak-To-Peak Differential Voltage

200

1200

2000

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

1200

1600

2200

Note:

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

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

Unit

Min.

Typ.

Max.

VIH,PECL

PECL Input High Voltage Level

2.14

2.42

VIL,PECL

PECL Input Low Voltage Level

1.49

1.82

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

130.3664 ns

RISETIME (f2) < 1 ps

FALLTIME (f2) < 1 ps

120.0 ps/div

CURRENT

1 (f2) = –637.00 mV

2 (f2) = 636.00 mV

∆ = 1.27300 V

∆X =

130.549 ns

131.349 ns

800 ps

1.250 GHz

WAVEFORM MATH

f1 = 3 – 4

f2 = 1 – 2

FUNCTION

DEFINE

FUNCTION...

DISPLAY

off

VERTICAL SCALE

manual

auto

Y SCALE

Y OFFSET

250 mV/div

0.0 V

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