AD8389 datasheet(6/12 Pages) AD

Teilenummer	AD8389

Bauteilbeschribung	Triple, 6-Channel LCD Timing Delay-Locked Loop

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Hersteller	AD [Analog Devices]

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AD8389

Rev. 0 | Page 6 of 12

TIMING

Table 4. Timing Specifications

Parameter

Conditions

Min

Typ

Max

Unit

Operating Frequency

CLK, fCLK

60

75

85

MHz

CLXI, ENBX(1–4)I

(2t1)–1

Hz

DXI, MONITxI

(2t1)–1

Hz

Input Low Pulse Width, t1—All Inputs except CLK

DXI, MONITxI

280

ns

ENBX(1–4)I, CLXI

t5 ≤ 230ns

30

ns

CLK High Pulse Width—t2

4.7

ns

CLK Low Pulse Width—t3

4.7

ns

CLK to DXI Setup Time—t4

2

ns

Output Rise, Fall Time—tr, tf

CL = 30 pF

5

ns

Delay—t5

DXI to DXxO

22

350

ns

Output Skew— t6

CL = 30 pF

t5 ≤ 130 ns

0.3

2.5

ns

t5 ≤ 170ns

0.45

3.4

ns

t5 ≤ 230ns

0.7

5

ns

Loop Delay, t7

COMPEDGE = H, SLOW = H

9/(fCLK) + t4

ns

COMPEDGE = H, SLOW = L

15/(fCLK) + t4

ns

COMPEDGE = L, SLOW = H

26/(fCLK) + t4

ns

COMPEDGE = L, SLOW = L

32/(fCLK) + t4

ns

CLK

DXI

t2

t3

t4

t1

VTH

Figure 4. CLK and DXI Timing

DXI

MONITxI

DXxO

CLXxO

ENBX(1–4)XO

DXO

t7

t5

tEXT

t6

Figure 5. Input and Output Waveforms at COMPEDGE = HIGH

Ähnliche Beschreibung - AD8389

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Analog Devices	AD8389	262Kb / 12P	Triple, 6-Channel LCD Timing Delay-Locked Loop REV. 0
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