AM7996DCB Advanced Micro Devices, AM7996DCB Datasheet - Page 13

• Manufacturer Part Number: AM7996DCB
• Description: IEEE 802.3/Ethernet/Cheapernet Transceiver
• Manufacturer: Advanced Micro Devices

SWITCHING CHARACTERISTICS over operating ranges unless otherwise specified
Receiver Specification
Receive/Collision Specification
No
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
1
2
3
4
5
7
8
9
Parameter
Symbol
t
t
t
t
PWTON
PWSON
t
PWREJ
PWOFF
t
t
t
t
t
t
SKEW
t
t
t
t
t
ROFF
COFF
t
TXTR
TXTF
t
t
JREC
t
TON
RON
RSD
t
t
CON
t
TSD
DRF
t
t
STD
JCT
JRT
STL
f
RR
CH
RS
RF
CL
CI
Parameter Description
DO Input Pulse Width to Reject
(DO
DO Input Pulse Width to Turn On
(DO > V
DO Input Pulse Width to Stay On
(DO
DO Input Pulse Width to Turn Off
(DO
Transmit Driver Turn-On Delay
Transmit Static Delay (Zero Crossing
to 50% Point to Coax)
Transmit Driver Rise Time
Transmit Driver Fall Time
Difference in Driver Rise and Fall
Times |t
Output Driver Skew—Transmit Data
Symmetry
Jabber Control Time
Jabber Reset Time
Jabber Recovery Time
Receiver Turn-On Delay
Receiver Turn-Off Delay
Receiver Static Delay
Receive Data Symmetry
DI and CI Rise Time
DI and CI Fall Time
CI Turn-On Delay
CI Turn-Off Delay
CI LOW Time
CI HIGH Time
Collision Frequency
SQE Test Delay Time
SQE Test Length
V
V
V
TXTR
IDC
IDC
IDC
IDC
, Max)
, Max)
, Max)
–t
, Max)
TXTF
|
Am7996
50% Point at RXT
Test Conditions
at Zero Crossing
V
V
V
V
F
F
at DI Outputs
tap
tap
tap
tap
CI
CI
(Notes 1, 7)
(Notes 1, 7)
(Notes 1, 7)
20%–80%,
80%–20%,
R
R
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 8)
= 10.0 MHz
= 10.0 MHz
> V
> V
L
L
< V
< V
= 78
= 78
CAT
COT
CAT
COT
Max
Max
Min
Min
–2.0
Min
160
340
600
600
8.5
20
20
20
20
–2
35
35
Commercial
10.0
Typ
419
250
800
15
15
30
25
25
26
50
50
1000
2000
1000
1000
Max
+2.0
70.5
70.5
11.5
105
200
500
500
900
1.0
1.0
50
30
30
35
50
+2
7
7
7
AMD
MHz
Unit
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
s
13