參數(shù)資料
型號(hào)： 74VHC238T
廠商： 意法半導(dǎo)體
英文描述： 3 TO 8 LINE DECODER
中文描述： 3至8線譯碼器
文件頁(yè)數(shù)： 1/8頁(yè)
文件大?。?/td> 64K
代理商： 74VHC238T
74VHC238
3 TO 8 LINE DECODER
June 1999
I
HIGHSPEED:t
PD
=5.5ns(TYP.) at V
CC
= 5V
I
LOWPOWERDISSIPATION:
I
CC
=4
μ
A(MAX.) at T
A
=25
o
C
I
HIGHNOISEIMMUNITY:
V
NIH
= V
NIL
=28%V
CC
(MIN.)
I
POWERDOWN PROTECTIONON INPUTS
I
SYMMETRICALOUTPUTIMPEDANCE:
|I
OH
| = I
OL
= 8 mA(MIN)
I
BALANCEDPROPAGATIONDELAYS:
t
PLH
t
PHL
I
OPERATINGVOLTAGERANGE:
V
CC
(OPR)= 2Vto 5.5V
I
PINANDFUNCTION COMPATIBLEWITH
74SERIES238
I
IMPROVEDLATCH-UP IMMUNITY
DESCRIPTION
The 74VHC238 is an advanced high-speed
CMOS 3 TO 8 LINE DECODER fabricated with
sub-micron silicon gate and double-layer metal
wiring C
2
MOS technology.
If the device is enabled, 3 binary select inputs (A,
B and C) determine which one of the outputs will
go high. If enable input G1 is held low or either
G2A or G2B is held high, decoding function is
inhibited and all the 8 outputsgo to low.
Three enable inputs are provided to ease
cascade connection and application of this
addressdecodersfor memorysystems.
Power down protection is provided on all inputs
and 0 to 7V can be accepted on inputs with no
regard to the supply voltage. This device can be
used to interface5V to 3V.
All
inputs
and
outputs are
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
equipped with
PIN CONNECTION AND IEC LOGIC SYMBOLS
M1
(Micro Package)
T
(TSSOPPackage)
ORDER CODES :
74VHC238M
74VHC238T
1/8
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74VHC238TTR 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3-to-8 Line Decoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
74VHC240 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED)
74VHC240_04 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED)
74VHC240_07 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal Buffer/Line Driver with 3-STATE Outputs
74VHC240FT 功能描述:IC INVERTER DUAL 4-INPUT 20TSSOP 制造商:toshiba semiconductor and storage 系列:汽車(chē)級(jí)，AEC-Q100，74VHC 包裝:剪切帶（CT） 零件狀態(tài):在售 邏輯類型:緩沖器，反向 元件數(shù):2 每元件位數(shù):4 輸入類型:- 輸出類型:推挽式 電流 - 輸出高，低:8mA，8mA 電壓 - 電源:2 V ~ 5.5 V 工作溫度:-40°C ~ 125°C（TA） 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商器件封裝:20-TSSOP 基本零件編號(hào):74VHC240 標(biāo)準(zhǔn)包裝:1
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