參數(shù)資料
型號(hào)： 91C94
廠商： SMSC Corporation
英文描述： ISA/PCMCIA SINGLE CHIP ETHERNET CONTROLLER WITH RAM
中文描述： 的ISA / PCMCIA的單芯片以太網(wǎng)控制器與RAM
文件頁數(shù)： 110/120頁
文件大?。?/td> 447K
代理商： 91C94
9
PIN NUMBER
QFP
VTQFP/
TQFP
NAME
SYMBOL
BUFFER
TYPE
DESCRIPTION
41
39
A11/nFCS
I
O4
ISA - Input - Input address line 11
PCMCIA - Output - Flash Memory Chip
Select
used
to
access
attribute
memory. Is active (low) when nREG=0,
nCE1=0 and A15=0
42-48
40-46
Address
A12-18
I
Input - Input address lines 12 through
18
49
47
A19/nCE1
I with
pullup
ISA - Input - Input address line 19
PCMCIA - Card Enable 1 input. Used
to select card on even byte accesses
54
52
Address
Enable
AEN/nREG
I with
pullup
ISA - Address enable input. Used as
an address qualifier. Address decoding
is enabled only when AEN is low
PCMCIA - Attribute memory and IO
select input. Asserted when the card
attribute space or IO space is being
accessed
26
24
nByte High
nSBHE/
nCE2
I with
pullup
ISA - Byte High Enable input. Asserted
(low) by the system to indicate a data
transfer on the upper data byte
PCMCIA - Card Enable 2 input. To
select card on odd byte accesses
55
53
Ready
IOCHRDY/
nWAIT
OD24 with
pullup
ISA - Output - Optionally used by the
LAN91C94 to extend host cycles
PCMCIA - Output - Optionally used by
the LAN91C94 to extend host cycles
57-60
62-65
9-12
14-17
55-58
60-63
7-10
12-15
Data Bus
D0-15
I/O24
Bidirectional - 16 bit data bus to
access
the
LAN91C94
internal
registers. The data bus has weak
internal
pullups.
Supports
direct
connection to the system bus without
external buffering
相關(guān)PDF資料
PDF描述
92_TNC-50-0-4/111_NE BOARD TERMINATED, FEMALE, TNC CONNECTOR, SURFACE MOUNT, JACK
92_TNC-50-0-4/111_NM BOARD TERMINATED, FEMALE, TNC CONNECTOR, SURFACE MOUNT, JACK
92082-314 14 CONTACT(S), FEMALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT
92082-316 16 CONTACT(S), FEMALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT
92082-318 18 CONTACT(S), FEMALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
91CCC3 制造商:Wirepro 功能描述:Connector Accessories Cap and Chain For Receptacle
91-CCC3 制造商:CDM ELECTRONIC FORMERLY WPI 功能描述:connector accessory,circular microphone,cap and chain for receptacle
91-CCC-3 制造商:Amphenol Corporation 功能描述: 制造商:TE Connectivity 功能描述:
91CR10 制造商:TT Electronics / BI Technologies 功能描述:Res Cermet Trimmer 10 Ohm 20% 1/2W 1(Elec)/1(Mech)Turn (9.53 X 9.78 X 7.11mm) Pin Thru-Hole Box
91CR100 功能描述:微調(diào)電阻 - 通孔 3/8inch 100 Thumbwheel RoHS:否 制造商:Vishay/Sfernice 產(chǎn)品:Trimmer Resistors - Multi Turn 產(chǎn)品類型:Multiturn 轉(zhuǎn)數(shù):14 錐度:Linear 電阻:10 kOhms 電壓額定值:250 V 端接類型:Pin 功率額定值:250 mW (1/4 W) 容差:10 % 溫度系數(shù):100 PPM / C
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