TS3DDR4000 datasheet(6/25 Pages) TI1

부품명	TS3DDR4000

상세설명	12-bits 1:2 High Speed DDR2/DDR3/DDR4 Switch/Multiplexer

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TS3DDR4000

SCDS356A – NOVEMBER 2014 – REVISED MARCH 2015

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7.6 Dynamic Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

VDD = 2.375 V, RL = 50 Ω, VAn = 3.3 V,

V/EN = 1.8 V→ 0 V, VSEL1 = VSEL2 = 0

EN to B

–

65

140

µs

V

(See Figure 12)

tON

Switch turn-on time

VDD = 2.375 V, RL = 50 Ω, VAn = 3.3 V,

V/EN = 1.8 V→ 0 V, VSEL1 = VSEL2 = 1.8

EN to C

–

65

140

µs

V

(See Figure 12)

VDD = 2.375 V, V/EN = 0 V, RL = 50 Ω,

Switching time between channels

VAn = 3.3 V,

tSWITCH

SEL to B

–

65

–

ns

for all I/Os

(See Figure 13)

VDD = 2.375 V, V/EN = 0 V, RL = 50 Ω,

VAn = 3.3 V,

SEL to C

–

50

–

ns

(See Figure 13)

VDD = 2.375 V,

Port A to B

–

85

–

ps

(See Figure 14)

tPD

Propagation delay

VDD = 2.375 V,

Port A to C

–

85

–

ps

(See Figure 14)

B0 to B11

–

3

8

ps

Singe-ended skew between

VDD = 2.375 V, from any output to any

tSKEW

(1)

channels

other output

C0 to C11

–

3

6

ps

CIN

Control input capacitance

EN

f = 1 MHz, VIN= 0 V

–

6

–

pF

SEL1

f = 1 MHz, VIN= 0 V

–

6

–

pF

SEL2

f = 1 MHz, VIN= 0 V

–

6

–

pF

f = 1067 MHz, VI/O = 0 V, VSEL1 =

COFF

Switch off capacitance

Port A to B

–

0.5

–

pF

VSEL2 = 1.8V

f = 1067 MHz, VI/O = 0 V, VSEL1 =

Port A to C

–

0.5

–

pF

VSEL2 = 0 V

f = 1067 MHz, VI/O = 1.2 V, VSEL1 =

CON

Switch on capacitance

Port A to B

–

1.0

–

pF

VSEL2= 0V

f = 1067 MHz, VI/O= 1.2 V, VSEL1 =

Port A to C

–

1.0

–

pF

VSEL2 = 1.8V

f = 1067 MHz, VSEL1 = VSEL2 = 0 V, RL

XTALK

Crosstalk between channels

B0 to B11

–

-34

–

dB

= 50

Ω

f = 1067 MHz, VSEL1 = VSEL2 = 1.8 V,

C0 to C11

–

-31

–

dB

RL = 50 Ω

f = 1067 MHz, VSEL1 = VSEL2 = 1.8 V,

OISO

Off-isolation

Port A to B

–

-21

–

dB

RL = 50 Ω

f = 1067 MHz, VSEL1 = VSEL2 = 0 V, RL

Port A to C

–

-21

–

dB

= 50

Ω

IL

Insertion loss (channel on)

Port A to B

f = DC, RL = 50 Ω

–

-0.75

-1

dB

Port A to C

f = DC, RL = 50 Ω

–

-0.75

-1

dB

Port A to B

–

5.6

–

BWSE

-3 dB bandwidth (Single-ended)

RL = 50 Ω

GHz

Port A to C

–

5.6

–

Port A to B

–

6

–

BWDIFF

-3 dB bandwidth (Differential)

RL = 100 Ω

GHz

Port A to C

–

6

–

(1)

Verified by design.

6

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