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PDF W89C92 Data sheet ( Hoja de datos )
| Número de pieza | W89C92 | |
| Descripción | PCMCIA ETHERNET NETWORK TWISTED PAIR INTERFACE CONTROLLER | |
| Fabricantes | Winbond | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de W89C92 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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W89C92
TRANSCEIVER FOR COAXIAL CABLE (TCC)
GENERAL DESCRIPTION
The W89C92 Transceiver for Coaxial Cable (TCC) serves as an interface between the Attachment
Unit Interface and coaxial cable and implements the MAU functions required by a 10BASE2 or
10BASE5. The W89C92 provides transmit, receive, jabber lockup, SQE test, and collision presence
functions.
The W89C92 provides a functional solution for a 10BASE2 or 10BASE5 MAU. The power isolation
requirement of the MAU is met by using a DC-to-DC converter and a one-to-one ratio transformer.
FEATURES
• Compatible with IEEE 802.3 10BASE2 and 10BASE5
• CMOS process provides low power consumption
• Mixed-mode circuit design integrates all transceiver electronics except signal and power isolation
and minimizes external component count
• On-chip jabber timer and state machine meet the requirements for IEEE 802.3 MAU function
• External selective SQE test function allows operation with IEEE 802.3 compatible repeater
• Precision detection circuit design implements transmit mode collision detection
• External selective jabber lockup function allows infinite data transmission
• Standard 16-pin DIP and 28-pin PLCC package provide easy implementation of a MAU
PIN CONFIGURATIONS
CC
D SSCT
R
I
+
O
-
O
+
L
S
XN
OC
X
I
4 3 2 1 28 27 26
VSS 5
25 VSS
VSS 6
24 VSS
VSS 7
23 VSS
VSS 8
22 VSS
VSS 9
21 VSS
VSS 10
20 VSS
VSS 11
19 ER-
12 13 14 15 16 17 18
DDDSVV E
I OOQDD R
- + - EDD+
CSO+
CSO-
DI+
VSS
VSS
DI-
DO+
DO-
1
2
3
4
5
6
7
8
16 CLS
15 TXO
14 RXI
13 VSS
12 ER-
11 ER+
10 VDD
9 SQE
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Publication Release Date: September 1994
- 1 - Revision A3
1 page  
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W89C92
DC CHARACTERISTICS
(VSS = -9V ± 5%, Ta = 0° C to 70° C) (Notes 1, 2)
SYMBOL
DESCRIPTION
VCD Collision threshold (in transmit mode)
VDO Differential output voltage
VDOI Diff. output voltage imbalance
VCMO Diff. common mode output voltage
VTS DO+/DO- transmit squelch threshold
ISSN Supply current out of VSS (non-transmitting)
ISST Supply current out of VSS (transmitting)
IRXI Receive input bias current
ITDC Transmit out current DC level
ITAC Transmit out current AC level
RRXI RXI shunt resistance non-transmitting
RTXO TXO shunt resistance transmitting
CRXI RXI shunt capacitance
MIN.
-1.43
±500
-
-3.0
-175
-
-
-1
37
±30
-
7.5
-
TYP
-1.53
±800
-
-3.5
-225
-80
-120
-
41
-
5
10
1.2
MAX.
-1.70
±1500
±60
-4.0
-330
-100
-150
+1
45
±ITDC
-
-
-
UNIT
V
mV
mV
V
mV
mA
mA
µA
mA
mA
MΩ
KΩ
pF
AC CHARACTERISTICS
(VSS = -9V ± 5%, Ta = 0° C to 70° C) (Notes 1, 2)
SYMBOL
DESCRIPTION
TCON Collision turn-on delay
TCOFF Collision turn-off delay
FCD Collision signal frequency
TCP Collision signal pulse width
TSQEON SQE test turn-on delay
TSQED SQE test duration
TJA Jabber activation delay
TJR Jabber recovery time
TTST Transmit start-up delay
TTD Transmit propagation delay
TTR Transmit rise time, 10% to 90%
TTF Transmit fall time, 90% to 10%
MIN.
TYP
MAX. UNIT
7 8 9 bits
10 bits
8 12 MHZ
35 70 nS
0.6 1.4 µS
0.8 1.0 1.5 µS
20 60 mS
250 750 mS
1 2 bits
25 60 nS
25 nS
25 nS
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Publication Release Date: September 1994
- 5 - Revision A3
5 Page 
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W89C92
An external MAU implementation with the TCC
13
12 to 15 VDC
6
DC to DC
Converter
12 to 15V Input
-9V Output
.1 uF
Shielded Enclosure
510 Each
+
9 V (Isolated)
-
2
Collision
Pair
9
D
C
o5
n
n Receive
e
c 12
t
o
r
3
Transmit
Pair
10
Shields 1, 4
11, 14
1 16
2 15
4 13
39
39
.01 uF
5 12
EQUIV
7 10
89
1M
.01 uF
CSO+
1
CSO- 2
CLS
16
TXO
15 1N4148
DI+
W
38
14
RXI
VSS 9
VSS
4 C 13
VSS
9
52
12 ER-
T 1K 1%
DI-
6
C
C
11 ER+
DO+
VDD
7 10
DO- 8 9 SQE
COAX
Headquarters
Winbond Electronics (H.K.) Ltd.
No. 4, Creation Rd. III,
Science-Based Industrial Park,
Hsinchu, Taiwan
TEL: 886-3-5770066
FAX: 886-3-5792646
Rm. 803, World Trade Square, Tower II,
123 Hoi Bun Rd., Kwun Tong,
Kowloon, Hong Kong
TEL: 852-27516023
FAX: 852-27552064
http://www.winbond.com.tw/
Voice & Fax-on-demand: 886-2-7197006
Taipei Office
11F, No. 115, Sec. 3, Min-Sheng East Rd.,
Taipei, Taiwan
TEL: 886-2-7190505
FAX: 886-2-7197502
Winbond Electronics North America Corp.
Winbond Memory Lab.
Winbond Microelectronics Corp.
Winbond Systems Lab.
2730 Orchard Parkway, San Jose,
CA 95134, U.S.A.
TEL: 1-408-9436666
FAX: 1-408-9436668
Note: All data and specifications are subject to change without notice.
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- 11 -
Publication Release Date: September 1994
Revision A3
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet W89C92.PDF ] | |
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