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參數(shù)資料
| 型號(hào)： | 74ACT245SC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 18-Bit TTL/BTL Universal Storage Transceiver 100-HLQFP 0 to 70 |
| 中文描述： | ACT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 0.300 INCH, LEAD FREE, MS-013, SOIC-20 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 271K |
| 代理商： | 74ACT245SC |
1/9
April 2001
I
HIGH SPEED: t
PD
= 5.4ns (TYP.) at V
CC
= 5V
LOW POWER DISSIPATION:
I
CC
= 4
μ
A(MAX.) at T
A
=25°C
COMPATIBLE WITH TTL OUTPUTS
V
IH
= 2V (MIN.), V
IL
= 0.8V (MAX.)
50
TRANSMISSION LINE DRIVING
CAPABILITY
SYMMETRICAL OUTPUT IMPEDANCE:
|I
OH
| = I
OL
= 24mA (MIN)
BALANCED PROPAGATION DELAYS:
t
PLH
t
PHL
OPERATING VOLTAGE RANGE:
V
CC
(OPR) = 4.5V to 5.5V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 245
IMPROVED LATCH-UP IMMUNITY
I
I
I
I
I
I
I
I
DESCRIPTION
The 74ACT245 is an advanced high-speed CMOS
OCTAL
BUS
TRANSCEIVER
fabricated with sub-micron silicon gate and
double-layer metal wiring C
2
MOS tecnology.
This IC is intended for two-way asynchronous
communication between data buses and the
direction of data transmission is determined by
DIR input. The enable input G can be used to
disable the device so that the buses are effectively
isolated.
(3-STATE)
The device is designed to interface directly High
Speed CMOS systems with TTL, NMOS and
CMOS output voltage levels.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
IT IS PROHIBITED TO APPLY A SIGNAL TO A
TERMINAL WHEN IT IS IN OUTPUT MODE AND
WHEN A BUS THERMINAL IS FLOATING (HIGH
IMPEDANCE STATE) IT IS REQUIRED TO FIX
THE INPUT LEVEL BY MEANS OF EXTERNAL
PULL DOWN OR PULL UP RESISTOR.
74ACT245
OCTAL BUS TRANSCEIVER
WITH 3 STATE OUTPUTS (NON INVERTED)
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
PACKAGE
TUBE
T & R
DIP
SOP
TSSOP
74ACT245B
74ACT245M
74ACT245MTR
74ACT245TTR
TSSOP
DIP
SOP
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74ACT245SJ | 18-Bit TTL/BTL Universal Storage Transceiver 100-HLQFP 0 to 70 |
| 74ACT245MSAX | Single 8-bit Bus Transceiver |
| 74ACT245MTCX | Low-Power µP Reset Circuits in 3-Pin SC70/SOT23 |
| 74ACT245SCX | Low-Power µP Reset Circuits in 3-Pin SC70/SOT23 |
| 74ACT245SJX | Single 8-bit Bus Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ACT245SC | 制造商:Fairchild Semiconductor Corporation 功能描述:IC UNIVERSAL BUS FUNCTIONS LOGIC ROHS C |
| 74ACT245SC | 制造商:Fairchild Semiconductor Corporation 功能描述:74ACT CMOS SMD 74ACT245 SOIC20 |
| 74ACT245SC_NL | 功能描述:IC TRANSCEIVER 3-ST 8BIT 20SOIC RoHS:是 類別:集成電路 (IC) >> 邏輯 - 緩沖器，驅(qū)動(dòng)器，接收器，收發(fā)器 系列:74ACT 標(biāo)準(zhǔn)包裝:1 系列:74ACTQ 邏輯類型:緩沖器/線路驅(qū)動(dòng)器，非反相 元件數(shù):1 每個(gè)元件的位元數(shù):8 輸出電流高，低:24mA，24mA 電源電壓:4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:Digi-Reel® 其它名稱:74ACTQ541MTCDKR |
| 74ACT245SC_Q | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74ACT245SCX | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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