Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

Am79C940BVCW Datasheet(PDF) 11 Page - Rochester Electronics

Part # Am79C940BVCW
Description  Media Access Controller for Ethernet (MACE) 84-pin PLCC and 100-pin PQFP Packages
PDF  13 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  ROCHESTER [Rochester Electronics]
Direct Link  http://www.rocelec.com/
Logo ROCHESTER - Rochester Electronics

Am79C940BVCW Datasheet(HTML) 11 Page - Rochester Electronics

Back Button Am79C940BVCW Datasheet HTML 5Page - Rochester Electronics Am79C940BVCW Datasheet HTML 6Page - Rochester Electronics Am79C940BVCW Datasheet HTML 7Page - Rochester Electronics Am79C940BVCW Datasheet HTML 8Page - Rochester Electronics Am79C940BVCW Datasheet HTML 9Page - Rochester Electronics Am79C940BVCW Datasheet HTML 10Page - Rochester Electronics Am79C940BVCW Datasheet HTML 11Page - Rochester Electronics Am79C940BVCW Datasheet HTML 12Page - Rochester Electronics Am79C940BVCW Datasheet HTML 13Page - Rochester Electronics  
Zoom Inzoom in Zoom Outzoom out
 11 / 13 page
background image
79C940
Specification Number 79C940B-CI (A) Rev C
Page 11 of 13
94
AC CHARACTERISTICS (continued)
No.
Parameter
Symbol
Parameter Description
Test Conditions
Min (ns)
Max (ns)
AUI Timing
53
tDOTD
XTAL1 (externally driven) to DO± ουτπυτ
100
54
tDOTR
DO± rise time (10% to 90%)
2.5
5.0
55
tDOTF
DO± fall time (10% to 90%)
2.5
5.0
56
tDOETM
DO± rise and fall mismatch
1
57
tDOETD
DO± End of Transmit Delimiter
200
375
58
tPWRDI
DI± pulse width to reject
|input| > |VASQ|
15
59
tPWODI
DI± pulse width to turn on internal DI carrier
sense
|input| > |VASQ|
45
60
tPWMDI
DI± pulse width to maintain internal DI carrier
sense on
|input| > |VASQ|
45
136
61
tPWKDI
DI± pulse width to turn internal DI carrier
sense off
|input| > |VASQ|
200
62
tPWRCI
CI± pulse width to reject
|input| > |VASQ|
10
63
tPWOCI
CI± pulse width to turn on internal SQE sense |input| > |VASQ|
26
64
tPWMCI
CI± pulse width to maintain internal SQE
sense on
|input| > |VASQ|
26
90
65
tPWKCI
CI± pulse width to turn internal SQE sense off |input| > |VASQ|
160
66
tSQED
CI± SQE Test delay from O± inactive
|input| > |VASQ|
67
tSQEL
CI± SQE Test length
|input| > |VASQ|
79
tCLSHI
CLSN high time
tSTDC + 30
80
tTXH
TXEN or DO± hold time from CLSN↑
|input| > |VASQ|
32*tSTDC
96*tSTDC
DAI Port Timing
70
tTXEND
STDCLK↑ delay to TXEN↓
CL = 50 pF
70
72
tTXDD
STDCLK↑ delay to TXDAT± change
CL = 50 pF
70
80
tTXH
TXEN or TXDAT± hold time from CLSN↑
32*tSTDC
96*tSTDC
95
tDOTF
Mismatch in STDCLK ≠ to TXEN↓ and
TXDAT± change
15
96
tTXDTR
TXDAT± rise time
See Note 1
5
97
tTXDTF
TXDAT± fall time
See Note 1
5
98
tTXDTM
TXDAT± rise and fall mismatch
See Note 1
1
99
tTXENETD
TXEN End of Transmit Delimiter
250
350
100
tFRXDD
First RXDAT↓ delay to RXCRS↑
100
101
tLRXDD
Last RXDAT ≠ delay to RXCRS↓
120
102
tCRSCLSD
RXCRS↑ delay to CLSN↑ (TXEN = 0)
100
TABLE 5
SPECIFICATION NUMBER: 79C940-CI (A) REV -
Page 11 of 13



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com