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參數資料
| 型號： | 74VHCT238AM |
| 廠商： | 意法半導體 |
| 英文描述： | Octal Bus Transceivers With 3-State Outputs 20-TSSOP -40 to 85 |
| 中文描述： | 3至8線譯碼器 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 63K |
| 代理商： | 74VHCT238AM |
74VHCT238A
3 TO 8 LINE DECODER
March 2000
I
HIGHSPEED:t
PD
=8ns(TYP.)atV
CC
=5V
I
LOWPOWERDISSIPATION:
I
CC
=4
μ
A(MAX.) at T
A
=25
o
C
I
COMPATIBLEWITH TTL OUTPUTS:
V
IH
=2V (MIN),V
IL
= 0.8V(MAX)
I
POWERDOWN PROTECTIONON INPUTS&
OUTPUTS
I
SYMMETRICALOUTPUTIMPEDANCE:
|I
OH
| = I
OL
= 8 mA(MIN)
I
BALANCEDPROPAGATIONDELAYS:
t
PLH
t
PHL
I
OPERATINGVOLTAGERANGE:
V
CC
(OPR)= 4.5Vto 5.5V
I
PINANDFUNCTION COMPATIBLEWITH
74SERIES238
I
IMPROVEDLATCH-UP IMMUNITY
DESCRIPTION
The 74VHCT238A 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 outputs 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
SOP
TSSOP
ORDER CODES
TUBE
74VHCT238AM
PACKAGE
SOP
TSSOP
T & R
74VHCT238AMTR
74VHCT238ATTR
1/8
相關PDF資料 |
PDF描述 |
|---|---|
| 74VHCT238AMTR | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC -40 to 85 |
| 74VHCT240A | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC -40 to 85 |
| 74VHCT240AM | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC -40 to 85 |
| 74VHCT240AT | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS INVERTED |
| 74VHCT240A | Octal Buffer/Line Driver with 3-STATE Outputs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 74VHCT238AMTR | 功能描述:編碼器、解碼器、復用器和解復用器 3-to-8 Line Decoder RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74VHCT238ATTR | 功能描述:編碼器、解碼器、復用器和解復用器 3-to-8 Line Decoder RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74VHCT240AFT | 功能描述:IC INVERTER DUAL 4-INPUT 20TSSOP 制造商:toshiba semiconductor and storage 系列:汽車級，AEC-Q100，74VHCT 包裝:剪切帶（CT） 零件狀態:在售 邏輯類型:緩沖器，反向 元件數:2 每元件位數:4 輸入類型:- 輸出類型:推挽式 電流 - 輸出高，低:8mA，8mA 電壓 - 電源:4.5 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） 供應商器件封裝:20-TSSOP 基本零件編號:74VHCT240 標準包裝:1 |
| 74VHCT240AFT(BE) | 制造商:Toshiba America Electronic Components 功能描述:IC INVERTER DUAL 4-INPUT 20TSSOP |
| 74VHCT240AM | 功能描述:緩沖器和線路驅動器 Octal Buf/Line Drv RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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