參數(shù)資料
型號(hào)： TC74ACT257P
廠商： Toshiba Corporation
英文描述： CMOS Digital Integrated Circuit Silicon Monolithic 2-Channel Multiplexer (3-state)
中文描述： CMOS數(shù)字集成電路硅單片2通道多路復(fù)用器（3態(tài)）
文件頁(yè)數(shù)： 1/8頁(yè)
文件大?。?/td> 303K
代理商： TC74ACT257P
TC74ACT257P/F/FN
2007-10-01
1
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74ACT257P,TC74ACT257F,TC74ACT257FN
2-Channel Multiplexer (3-state)
The TC74ACT257 is an advanced high speed CMOS
MULTIPLEXER fabricated with silicon gate and double-layer
metal wiring C
2
MOS technology.
It achieve the high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
This device may be used as a level converter for interfacing
TTL or NMOS to High Speed CMOS. The inputs are compatible
with TTL or NMOS and CMOS output voltage levels.
Each is composed of four independent 2-channel multiplexers
with common SELECT and
OUTPUT
If
OE
is set low, the outputs are held in a high-impedance
state. When SELECT is set low, “A” data inputs are enabled.
Conversely, when SELECT is high, “B” data inputs are
enabled.
All inputs are equipped with protection circuits against static
discharge or transient excess voltage.
Features
ENABLE
(
OE
).
High speed: t
pd
=
5.8 ns (typ.) at V
CC
=
5 V
Low power dissipation: I
CC
=
8
μ
A (max) at Ta
=
25°C
Compatible with TTL outputs: V
IL
=
0.8 V (max)
Symmetrical output impedance: |I
OH
|
=
I
OL
=
24 mA (min)
Balanced propagation delays: t
pLH
～
t
pHL
Pin and function compatible with 74F257
Pin Assignment
V
IH
=
2.0 V (min)
Capability of driving 50
Ω
transmission lines.
Note: xxxFN (JEDEC SOP) is not available in
Japan.
TC74ACT257P
TC74ACT257F
TC74ACT257FN
Weight
DIP16-P-300-2.54A
SOP16-P-300-1.27A
SOL16-P-150-1.27
: 1.00 g (typ.)
: 0.18 g (typ.)
: 0.13 g (typ.)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TC74ACT257P(F) 制造商:Toshiba America Electronic Components 功能描述:IC, advanced, CMOS logic, TC74ACT257P(F)
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TC74ACT273F(F) 制造商:Toshiba 功能描述:74ACT Octal D-Type Flip-Flop with Clear 20SOP 制造商:Toshiba America Electronic Components 功能描述:IC, 74 series logic 制造商:Toshiba 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 1-Element 20-Pin SOP Tube
TC74ACT273FW 功能描述:IC FLIP-FLOP OCTAL D-TYPE 20-SOL RoHS:否 類別:集成電路 (IC) >> 邏輯 - 觸發(fā)器 系列:74ACT 標(biāo)準(zhǔn)包裝:25 系列:74LS 功能:設(shè)置（預(yù)設(shè)）和復(fù)位 類型:JK 型 輸出類型:差分 元件數(shù):2 每個(gè)元件的位元數(shù):1 頻率 - 時(shí)鐘:25MHz 延遲時(shí)間 - 傳輸:20ns 觸發(fā)器類型:負(fù)邊沿 輸出電流高，低:400µA, 8mA 電源電壓:4.75 V ~ 5.25 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 包裝:管件 其它名稱:74LS11274LS112AN74LS112NDM74LS112N
TC74ACT273FW(ELP) 制造商:Toshiba America Electronic Components 功能描述:IC D-TYPE POS TRG SNGL 20SOL
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