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AD8156

6.25 Gbps, 4 × 4, Digital Crosspoint Switch with EQ

Analog Devices 

AD8156

SPECIFICATIONS

ELECTRICAL SPECIFICATIONS

VTTI = VTTO = VCC = 3.3 V, VEE = 0 V, RL = 50 Ω, differential output swing = 800 mV, ac-coupled, data rate = 6.25 Gbps, PRBS 223−1,

VIN = 1 V p-p differential, TA = 25°C, unless otherwise noted.

Table 1.

Parameter

DYNAMIC PERFORMANCE

Maximum Data Rate

Deterministic Jitter

Random Jitter

Propagation Delay

Propagation Delay Match

Output Fall Time

Output Rise Time

INPUT CHARACTERISTICS

Input Voltage Swing

Input Voltage Range

Input Voltage Range

Input Termination

OUTPUT CHARACTERISTICS

Output Voltage Swing

Output Voltage Range

Output Termination

POWER SUPPLY

VCC Operating Range

Supply Current

Power Dissipation2

THERMAL CHARACTERISTICS

Operating Temperature Range

LOGIC INPUT CHARACTERISTICS

Input VIN High

Input VIN Low

Symbol

tPD

tF

tR

VIN

VCM

RIN

VOUT

ROUT

VCC

ICC 1

ICC1

ICC1

ITTI

ITTO

Conditions

NRZ data

Data date < 6.25 Gbps

Input to output

Differential, 20% to 80%

Differential, 20% to 80%

Differential

Single-ended

Common-mode

Single-ended

Differential, programmable

Common-mode

Single-ended

VEE = 0 V

All disabled

All outputs on, no equalization

All outputs and equalizers on

800 mV differential swing

800 mV differential swing

All disabled

All outputs on, no equalization

All outputs and equalizers on

VCC = 3.3 V dc

Min

6.25

200

VEE + 1.5

VEE + 1.6

50

VEE + 1.6

3.0

−40

2.0

0

Typ Max Unit

25

0.8

1000

50

75

75

Gbps

ps p-p

ps rms

ps

ps

ps

ps

2000 mV p-p

VCC

V

VCC

V

50

Ω

800 1850 mV p-p

VCC

V

50

Ω

3.3

3.6

V

19

mA

67

mA

141

mA

32

mA

32

mA

60

mW

400

mW

700

mW

85

°C

VCC

V

0.8

V

1 ICC supply current excludes input and output termination currents. Currents at VTTI and VTTO count in power dissipation, but are not included in ICC. Note that in a CML

output structure with separate termination supplies, all of the output and input current is drawn from VTTI and the termination resistors, not from Vcc.

2 Power dissipation includes power due to 800 mV p-p differential input and output voltages; this is the true representation of power dissipated on and used by the

chip at an 800 mV p-p differential signal level.

Rev. 0 | Page 3 of 20

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