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參數資料
| 型號： | 74VHCT138AM |
| 廠商： | 意法半導體 |
| 英文描述： | 3 TO 8 LINE DECODER INVERTING |
| 中文描述： | 3至8線譯碼器反相 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 64K |
| 代理商： | 74VHCT138AM |
74VHCT138A
3 TO 8 LINE DECODER (INVERTING)
PRELIMINARY DATA
March 2000
I
HIGHSPEED:t
PD
=7.6ns(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
74SERIES138
I
IMPROVEDLATCH-UP IMMUNITY
I
LOWNOISE:V
OLP
= 0.8V(Max.)
DESCRIPTION
The 74VHCT138A is an advanced high-speed
CMOS 3 TO 8 LINE DECODER (INVERTING)
fabricated with sub-micron silicon gate
double-layermetal 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 low. If enable input G1 is held low or either
and
G2A or G2B is held high, the decoding functionis
inhibited and all the 8 outputsgo to high.
Three enable inputs are provided to ease
cascade connection and application of address
decodersfor memory systems.
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
74VHCT138AM
PACKAGE
SOP
TSSOP
T & R
74VHCT138AMTR
74VHCT138ATTR
1/8
相關PDF資料 |
PDF描述 |
|---|---|
| 74VHCT138AMTR | 3 TO 8 LINE DECODER INVERTING |
| 74VHCT139ATTR | DUAL 2 TO 4 DECODER/DEMULTIPLEXER |
| 74VHCT139A | DUAL 2 TO 4 DECODER/DEMULTIPLEXER |
| 74VHCT139AM | Octal Bus Transceivers With 3-State Outputs 20-SSOP -40 to 85 |
| 74VHCT139AMTR | Octal Bus Transceivers With 3-State Outputs 20-SSOP -40 to 85 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 74VHCT138AM_Q | 功能描述:編碼器、解碼器、復用器和解復用器 3-to-8 Dec/Demulti 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 |
| 74VHCT138AMTC | 功能描述:編碼器、解碼器、復用器和解復用器 3-to-8 Dec/Demulti 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 |
| 74VHCT138AMTC_Q | 功能描述:編碼器、解碼器、復用器和解復用器 3-to-8 Dec/Demulti 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 |
| 74VHCT138AMTCX | 功能描述:編碼器、解碼器、復用器和解復用器 3-to-8 Dec/Demulti 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 |
| 74VHCT138AMTR | 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 |
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