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参数资料
型号： SN74ABT245ADBR
厂商： TEXAS INSTRUMENTS INC
元件分类： 总线收发器
英文描述： ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封装： PLASTIC, SSOP-20
文件页数： 1/7页
文件大小： 107K
代理商： SN74ABT245ADBR
SN54ABT245, SN74ABT245A
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS081E – JANUARY 1991 – REVISED JULY 1994
Copyright
1994, Texas Instruments Incorporated
2–1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
State-of-the-Art EPIC-ΙΙB BiCMOS Design
Significantly Reduces Power Dissipation
ESD Protection Exceeds 2000 V Per
MIL-STD-883C, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Latch-Up Performance Exceeds 500 mA
Per JEDEC Standard JESD-17
Typical V
OLP (Output Ground Bounce)
< 1 V at VCC = 5 V, TA = 25°C
High-Drive Outputs (–32-mA I
OH,
64-mA IOL)
Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages, Ceramic Chip Carriers (FK),
Ceramic Flat (W) Packages, and Plastic (N)
and Ceramic (J) DIPs
description
These octal bus transceivers are designed for
asynchronous
communication
between
data
buses. The devices transmit data from the A bus
to the B bus or from the B bus to the A bus
depending
upon
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.
To ensure the high-impedance state during power
up or power down, OE should be tied to VCC
through a pullup resistor; the minimum value of the
resistor is determined by the current-sinking
capability of the driver.
The SN74ABT245A is available in TI’s shrink small-outline package (DB), which provides the same I/O pin count
and functionality of standard small-outline packages in less than half the printed-circuit-board area.
The SN54ABT245 is characterized for operation over the full military temperature range of – 55
°C to 125°C. The
SN74ABT245A is characterized for operation from – 40
°C to 85°C.
FUNCTION TABLE
INPUTS
OPERATION
OE
DIR
OPERATION
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
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
VCC
OE
B1
B2
B3
B4
B5
B6
B7
B8
SN54ABT245 ...J OR W PACKAGE
SN74ABT245A . . . DB, DW, N, OR PW PACKAGE
(TOP VIEW)
32
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
A2
A1
DIR
B7
B6
OE
A8
GND
B8
V
CC
SN54ABT245 . . . FK PACKAGE
(TOP VIEW)
EPIC-
ΙΙB is a trademark of 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.
相关PDF资料
PDF描述
SN74ABT245BMDBREP ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
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相关代理商/技术参数
参数描述
SN74ABT245B 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3 STATE OUTPUTS
SN74ABT245BDB 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74ABT245BDBLE 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3 STATE OUTPUTS
SN74ABT245BDBR 功能描述:总线收发器 Tri-State Octal Bus RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel
SN74ABT245BDBRG4 功能描述:总线收发器 Octal Bus Trnscvrs With 3-State Outputs RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel
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