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參數資料
| 型號： | 74VHC244T |
| 廠商： | 意法半導體 |
| 英文描述： | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED |
| 中文描述： | 八路總線緩沖器與三態輸出的非反相 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 65K |
| 代理商： | 74VHC244T |
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 |
|---|---|
| 74VHC244 | Hex Inverters 14-TSSOP -40 to 85 |
| 74VHC244M | Octal Buffer/Line Driver with 3-STATE Outputs |
| 74VHC244MTC | Hex Inverters 14-TSSOP -40 to 85 |
| 74VHC244N | Octal Buffer/Line Driver with 3-STATE Outputs |
| 74VHC244SJ | Octal Buffer/Line Driver with 3-STATE Outputs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 74VHC244TTR | 功能描述:緩沖器和線路驅動器 Octal Bus Buffer 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 |
| 74VHC245 | 制造商:Toshiba America Electronic Components 功能描述: |
| 74VHC245_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL BUS TRANSCEIVER (3-STATE) |
| 74VHC245BQ | 制造商:NXP Semiconductors 功能描述:Bulk 制造商:NXP Semiconductors 功能描述:IC OCT BUS TXRX TRI-ST DHVQ |
| 74VHC245BQ,115 | 功能描述:總線收發器 1CHAN 5.5V 500mW RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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