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參數資料
| 型號： | 74VHC244N |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Buffer/Line Driver with 3-STATE Outputs |
| 中文描述： | AHC/VHC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP20 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-20 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 65K |
| 代理商： | 74VHC244N |
74VHC244
OCTAL BUS BUFFER
WITH 3 STATE OUTPUTS (NON INVERTED)
June 1999
I
HIGHSPEED:t
PD
=3.9ns(TYP.)atV
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
74SERIES244
I
IMPROVEDLATCH-UP IMMUNITY
I
LOWNOISEV
OLP
= 0.9V(Max.)
DESCRIPTION
The 74VHC244 is an advanced high speed
CMOS
OCTAL
BUS
fabricated with sub-micron silicon gate
double-layermetal wiring C
2
MOS technology.
G output enable governsfour BUS BUFFERs.
BUFFER
(3-STATE)
and
This device is designed to be used with 3 state
memory addressdrivers, etc.
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
ORDER CODES :
74VHC244M
74VHC244T
M
(Micro Package)
T
(TSSOPPackage)
1/8
相關PDF資料 |
PDF描述 |
|---|---|
| 74VHC244SJ | Octal Buffer/Line Driver with 3-STATE Outputs |
| 74VHC244 | Octal Bus Buffer with 3 State Outputs (Non Inverted)(三態輸出的八總線緩沖器) |
| 74VHC245T | Quadruple 2-Input Positive-AND Gates 14-SOIC -40 to 85 |
| 74VHC245M | Quadruple 2-Input Positive-AND Gates 14-SOIC -40 to 85 |
| 74VHC245 | Octal Bus Transceiver (3-State)(八總線收發器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 74VHC244N | 制造商:Fairchild Semiconductor Corporation 功能描述:74VHC CMOS 74VHC244 DIP20 5.5V |
| 74VHC244N_Q | 功能描述:緩沖器和線路驅動器 Oct Buffer/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 |
| 74VHC244PW,118 | 功能描述:緩沖器和線路驅動器 CMOS 8CH NON-INVERT 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 |
| 74VHC244SJ | 功能描述:緩沖器和線路驅動器 Oct Buffer/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 |
| 74VHC244SJX | 功能描述:緩沖器和線路驅動器 Oct Buffer/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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