ADM3085 datasheet(6/14 Pages) AD

6 / 14 page

ADM3082/ADM3085/ADM3088

–6 –

PRELIMINARY TECHNICAL DATA

ADM3082/ADM3085/ADM3088 SPECIFICATIONS (continued)

SWITCHING CHARACTERISTICS—ADM3088

(VCC = +5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.) (Note 1)

Parameter

Min

Typ

Max

Units

Test Conditions/Comments

Driver Input-to-Output, tDPLH

Figures 2 and 5, RDIFF = 54 ,

Driver Input-to-Output, tDPHL

CL1 = CL2 = 100pF

Driver Output Skew,|tDPLH -tDPHL|, tDSKEW

–2.5

±10

Figures 2 and 5, RDIFF = 54 ,

CL1 = CL2 = 100pF

Driver Rise or Fall Time, tDR, tDF

Figures 7 and 9, RDIFF = 54 ,

CL1 = CL2 = 100pF

Maximum Data Rate, fMAX

Mbps

Driver Enable to Output High, tDZH

150

Figures 5 and 6, CL = 100pF,

S2 closed

Driver Enable to Output Low, tDZL

150

Figures 5 and 6, CL = 100pF,

S1 closed

Driver Disable Time from Low, tDLZ

100

Figures 5 and 6, CL = l5pF,

S1 closed

Driver Disable Time from High, tDHZ

100

Figures 5 and 6, CL = l5pF,

S2 closed

Receiver Input-to-Output, tRPLH, tRPHL

106

150

Figure 7; |VID|

2.0V;

rise and fall time of VID

l5ns

DifferentialReceiver Skew, tRSKD

±10

Figures 7; |VID|

2.0V;

|tRPLH – tRPHL|

rise and fall time of VID

l5ns

Receiver Enable to Output Low, tRZL

Figures 7 and 8, CL = 100pF,

S1 closed

Receiver Enable to Output High, tRZH

Figures 7 and 8, CL = 100pF,

S2 closed

Receiver Disable Time from Low, tRLZ

Figures 7 and 8, CL = 100pF,

S1 closed

Receiver Disable Time from High, tRHZ

Figures 7 and 8, CL = 100pF,

S2 closed

Time to Shutdown, tSHDN

200

600

(Note 5)

Driver Enable from Shutdown

250

Figures 5 and 6, CL = l5pF,

toOutput High, tDZH(SHDN)

S2 closed

Driver Enable from Shutdown

250

Figures 5 and 6, CL = l5pF,

to Output Low, tDZL(SHDN)

S1 closed

Receiver Enable from Shutdown

3500

Figures 7 and 8, CL = 100pF,

to Output High, tRZH(SHDN)

S2 closed

Receiver Enable from Shutdown

3500

Figures 7 and 8, CL = 100pF,

to Output Low, tRZL(SHDN)

S1 closed

NOTES

5The device is put into shutdown by bringing

RE high and DE low. If the enable inputs are in this state for less than 50ns, the device is guaranteed not to enter shut-

down. If the enable inputs are in this state for at least 600ns, the device is guaranteed to have entered shutdown.

REV. PrA 02/02

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