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參數資料
| 型號： | SN54LVCH245AFK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路總線收發器與三態輸出 |
| 文件頁數： | 1/9頁 |
| 文件大?。?/td> | 127K |
| 代理商： | SN54LVCH245AFK |
SN54LVCH245A, SN74LVCH245A
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCES008F – JULY 1995 - REVISED JUNE 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
EPIC
(Enhanced-Performance Implanted
CMOS) Submicron Process
Typical V
OLP
(Output Ground Bounce)
< 0.8 V at V
CC
= 3.3 V, T
A
= 25
°
C
Typical V
OHV
(Output V
OH
Undershoot)
> 2 V at V
CC
= 3.3 V, T
A
= 25
°
C
Power Off Disables Outputs, Permitting
Live Insertion
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Latch-Up Performance Exceeds 250 mA Per
JESD 17
Support Mixed-Mode Signal Operation on
All Ports (5-V Input/Output Voltage With
3.3-V V
CC
)
Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages, Ceramic Flat (W) Package,
Ceramic Chip Carriers (FK), and DIPs (J)
description
The SN54LVCH245A octal bus transceiver is designed for 2.7-V to 3.6-V V
CC
operation and the
SN74LVCH245A octal bus transceiver is designed for 1.65-V to 3.6-V V
CC
operation.
These devices are designed for asynchronous communication between data buses. These devices transmit
data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the
direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are
effectively isolated.
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators
in a mixed 3.3-V/5-V system environment.
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
The SN54LVCH245A is characterized for operation over the full military temperature range of –55
°
C to 125
°
C.
The SN74LVCH245A is characterized for operation from –40
°
C to 85
°
C.
Copyright
1998, Texas Instruments Incorporated
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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.
EPIC is a trademark of Texas Instruments Incorporated.
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.
SN54LVCH245A . . . J OR W PACKAGE
SN74LVCH245A . . . DB, DW, OR PW 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
SN54LVCH245A . . . FK PACKAGE
(TOP VIEW)
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
C
相關PDF資料 |
PDF描述 |
|---|---|
| SN54LVCH245AJ | Analog Multiplexers/Demultiplexers; Package: SOEIAJ-16; No of Pins: 16; Container: Rail; Qty per Container: 50 |
| SN54LVCH245AW | Analog Multiplexers/Demultiplexers; Package: PDIP-16; No of Pins: 16; Container: Rail; Qty per Container: 500 |
| SN74LVCH245ADB | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN54LVT162240 | Analog Multiplexers/Demultiplexers; Package: PDIP-16; No of Pins: 16; Container: Rail; Qty per Container: 500 |
| SN54LVT162244A | Analog Multiplexers/Demultiplexers; Package: SOIC 16 LEAD; No of Pins: 16; Container: Rail; Qty per Container: 48 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SN54S00J | 制造商:Texas Instruments 功能描述:NAND Gate 4-Element 2-IN Bipolar 14-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54S00W | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54S02J | 制造商:Texas Instruments 功能描述: |
| SN54S03J | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:2-INPUT NAND GATE (OC) - Rail/Tube |
| SN54S04J | 制造商:Texas Instruments 功能描述:Inverter 6-Element Bipolar 14-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:INVERTER 6-ELEM BIPOLAR 14CDIP - Rail/Tube 制造商:Texas Instruments 功能描述:HEX INVERTER *NIC* |
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