ACS8520A datasheet(48/150 Pages) SEMTECH

Part #	ACS8520A

Description	Synchronous Equipment Timing Source for Stratum 3/4E/4 and SMC Systems

Download	150 Pages

Scroll/Zoom	100%

Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

Logo

48 / 150 page

ACS8520A SETS

ADVANCED COMMS & SENSING

FINAL

DATASHEET

Revision 1.00/September 2007© Semtech Corp.

Page 48

www.semtech.com

Multiplexed Mode

In Multiplexed Mode, the device is configured to interface with microprocessors (e.g., Intel's 80x86 family) which share

bus signals between address and data. Figures 17 and 18 show the timing diagrams of read and write accesses.

Figure 17 Read Access Timing in MULTIPLEXED Mode

Table 25 Read Access Timing in MULTIPLEXED Mode (for use with Figure 17)

Symbol

Parameter

MIN

TYP

MAX

tsu1

Setup AD address valid to ALEfalling edge

5 ns

-

tsu2

Setup CSBfalling edge to RDBfalling edge

0 ns

-

td1

Delay RDBfalling edge to AD data valid (consecutive Read - Read)

12 ns

-

40 ns

Delay RDBfalling edge to AD data valid (consecutive Write - Read)

17 ns

-

193 ns

td2

Delay CSBfalling edge to RDY active

-

13 ns

td3

Delay RDBfalling edge to RDYfalling edge

-

15 ns

td4

Delay RDBrising edge to AD data high-Z

-

10 ns

td5

Delay CSBrising edge to RDY high-Z

-

10 ns

tpw1

RDB Low time (consecutive Read - Read)

35 ns

60 ns

-

RDB Low time (consecutive Write - Read)

35 ns

200 ns

-

tpw2

RDY Low time (consecutive Read - Read)

20 ns

-

40 ns

RDY Low time (consecutive Write - Read)

20 ns

-

185 ns

tpw3

ALE High time

5 ns

-

th1

Hold AD address valid after ALEfalling edge

9 ns

-

th2

Hold CSB Low after RDBrising edge

0 ns

-

th3

Hold RDB Low after RDYrising edge

0 ns

-

tp1

Time between ALEfalling edge and RDBfalling edge

0 ns

-

tp2

Time between (consecutive Read - Read) accesses (RDBrising edge to

ALErising edge)

20 ns

-

tp2

Time between (consecutive Write - Read) accesses (RDBrising edge to

ALErising edge)

160 ns

-

F8110D_011ReadAccMultiplex_01

CSB

ALE

Z

data

address

X

WRB

RDB

tpw1

th2

tpw3

tsu1

th1

tsu2

tp1

td3

td1

td4

tpw2

th3

AD

RDY

td2

td5

Similar Part No. - ACS8520A

Manufacturer	Part #	Datasheet	Description
IQD Frequency Products ...	ACS8520A	208Kb / 4P	TCXO Specification

More results

Similar Description - ACS8520A

Manufacturer	Part #	Datasheet	Description
Semtech Corporation	ACS8522A	2Mb / 118P	Synchronous Equipment Timing Source for Stratum 3/4E/4 and SMC Systems
	ACS8522	1Mb / 118P	Synchronous Equipment Timing Source for Stratum 3/4E/4 and SMC Systems
	ACS8520	1Mb / 150P	Synchronous Equipment Timing Source for Stratum 3/4E/4 and SMC Systems
	ACS8520	1Mb / 150P	Synchronous Equipment Timing Source for Stratum 3/4E/4 and SMC Systems
	ACS8522BT	2Mb / 122P	orderSynchronous Equipment Timing Source for Stratum 3/4E/4, SMC and Ethernet Systems
	ACS8530	1Mb / 152P	Synchronous Equipment Timing Source for Stratum 2/3E Systems
Connor-Winfield Corpora...	STC3500	513Kb / 48P	INTEGRATED - STRATUM 3 TIMING SOURCE
Integrated Device Techn...	82P33714	241Kb / 13P	Synchronous Equipment Timing Source for Synchronous Ethernet
Renesas Technology Corp	82P33714	1Mb / 63P	Synchronous Equipment Timing Source for Synchronous Ethernet August 21, 2018
Integrated Device Techn...	82P33731	848Kb / 65P	Synchronous Equipment Timing Source

More results

ACS8520A Datasheet(PDF) 48 Page - Semtech Corporation

ACS8520A Datasheet(HTML) 48 Page - Semtech Corporation

Similar Part No. - ACS8520A

Similar Description - ACS8520A

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL