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參數(shù)資料
| 型號： | SN54HC245FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 300kHz Switching Regulator with 500V / 2A Switch and 400V Maximum Startup - PB Free; Package: SOIC Wide 16 Minus Pins 2, 14, 15; No of Pins: 13; Container: Rail; Qty per Container: 47 |
| 中文描述： | 八路總線收發(fā)器與三態(tài)輸出 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 105K |
| 代理商： | SN54HC245FK |
SN54HC245, SN74HC245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS131B – DECEMBER 1982 – REVISED MAY 1997
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
High-Current 3-State Outputs Drive Bus
Lines Directly or up to 15 LSTTL Loads
Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), Thin Shrink Small-Outline (PW), and
Ceramic Flat (W) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs
description
These octal bus transceivers are designed for
asynchronous two-way communication between
data buses. The control-function implementation
minimizes external timing requirements.
The devices allow data transmission from the
A bus to the B bus or from the B bus to the A bus,
depending
on
the
direction-control (DIR) input. The output-enable
(OE) input can be used to disable the device so
that the buses are effectively isolated.
logic
level
at
the
The SN54HC245 is characterized for operation
over the full military temperature range of –55
°
C
to 125
°
C. The SN74HC245 is characterized for
operation from –40
°
C to 85
°
C.
FUNCTION TABLE
INPUTS
OE
OPERATION
DIR
L
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
B1
B2
B3
B4
B5
A3
A4
A5
A6
A7
A
A
D
B
B
O
A
G
B
V
SN54HC245 . . . FK PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
V
CC
OE
B1
B2
B3
B4
B5
B6
B7
B8
SN54HC245 . . . J OR W PACKAGE
SN74HC245 . . . DB, DW, N, OR PW PACKAGE
(TOP VIEW)
Copyright
1997, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN54HC245W | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN74HC245DB | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN54HC253FK | 300kHz Switching Regulator with 700V / 1.5A Switch and 500V Maximum Startup; Package: PDIP-16; No of Pins: 16; Container: Rail; Qty per Container: 500 |
| SN54HC253W | 300kHz Switching Regulator with 700V / 1A Switch, 500V Maximum Startup and OVP; Package: SOIC Wide 16 Minus Pins 2, 14, 15; No of Pins: 13; Container: Rail; Qty per Container: 47 |
| SN54HC257FK | Variable-frequency Critical-Mode Voltage-Mode Flyback Controller with 700V Maximum Startup and Fixed Frequency Clamp; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Rail; Qty per Container: 98 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54HC245J | 制造商:Texas Instruments 功能描述:Bus XCVR Single 8-CH 3-ST 20-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:BUS XCVR SGL 8CH 3-ST 20CDIP - Rail/Tube |
| SN54HC251J | 制造商:Texas Instruments 功能描述:Multiplexer 1-Element CMOS 3-ST 8-IN 16-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:MLTPLXR 1-ELEM CMOS 3-ST 8-IN 16CDIP - Rail/Tube |
| SN54HC253J | 制造商:Texas Instruments 功能描述:Multiplexer 1-Element CMOS 3-ST 8-IN 16-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:MLTPLXR 1-ELEM CMOS 3-ST 8-IN 16CDIP - Rail/Tube |
| SN54HC257J | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:QUAD 2-TO-1 DATA SELECTOR/MUX - Rail/Tube |
| SN54HC259J | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:LATCH ADDRESSABLE 8CH D-TYPE 16CDIP - Rail/Tube |
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