參數(shù)資料
型號: 74VHCT244A
廠商: Fairchild Semiconductor Corporation
英文描述: Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-PDIP -40 to 85
中文描述: 八路緩沖器/線路驅(qū)動器的3態(tài)輸出
文件頁數(shù): 4/8頁
文件大?。?/td> 63K
代理商: 74VHCT244A
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Test Conditions
Value
Unit
T
A
= 25
o
C
Min.
Typ.
-40 to 85
o
C
Min.
Max.
10
Max.
10
C
IN
C
OUT
C
PD
Input Capacitance
Output Capacitance
Power Dissipation
Capacitance (note 1)
4
9
18
pF
pF
pF
1)C
PD
isdefined as thevalue oftheIC’sinternal equivalent capacitance whichiscalculated fromtheoperatingcurrent consumption without load.(Referto
TestCircuit).Average operatingcurrent canbeobtained bythefollowingequation.I
CC
(opr)=C
PD
V
CC
f
IN
+I
CC
/48(per Gate)
TESTCIRCUIT
TEST
SWITCH
Open
V
CC
GND
t
PLH
, t
PHL
t
PZL
, t
PLZ
t
PZH
, t
PHZ
C
L
=15/50pForequvalent (includes jigand probecapacitance)
R
L
=R
1
=1K
orequivalent
R
T
=Z
OUT
ofpulsegenerator (typically50
)
DYNAMIC SWITCHING CHARACTERISTICS
Symbol
Parameter
Test Conditions
V
CC
(V)
Value
Unit
T
A
= 25
o
C
Min.
Typ.
-40 to 85
o
C
Min.
Max.
1.1
Max.
V
OLP
V
OLV
V
IHD
Dynamic Low Voltage
Quiet Output (note 1, 2)
5.0
C
L
= 50pF
0.9
-0.9
V
-1.1
2.0
Dynamic High Voltage
Input (note 1, 3)
Dynamic Low Voltage
Input (note 1, 3)
1)Worstcasepackage.
2)Maxnumber ofoutputsdefined as(n).Datainputsaredriven0Vto5.0V,(n-1)outputs switching andone outputatGND.
3)Maxnumber ofdatainputs (n)switching.(n-1)switching0Vto5.0V. Inputsunder testswitching: 5.0Vtothreshold (V
ILD
),0Vtothreshold (V
IHD
),f=1MHz.
5.0
V
ILD
5.0
0.8
74VCHT244A
4/8
相關(guān)PDF資料
PDF描述
74VHCT244AM Octal Buffer/Line Driver with 3-STATE Outputs
74VHCT244AMTC Octal Buffer/Line Driver with 3-STATE Outputs
74VHCT245A OCTAL BUS TRANSCEIVER 3-STATE
74VHCT245AM OCTAL BUS TRANSCEIVER 3-STATE
74VHCT245AT OCTAL BUS TRANSCEIVER 3-STATE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74VHCT244AFT 功能描述:IC BUFF/DVR TRI-ST DUAL 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(tài):在售 邏輯類型:緩沖器,非反向 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: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(yīng)商器件封裝:20-TSSOP 基本零件編號:74VHCT244 標(biāo)準(zhǔn)包裝:1
74VHCT244AFT(BE) 制造商:Toshiba America Electronic Components 功能描述:IC BUFF/DVR TRI-ST DUAL 20TSSOP
74VHCT244AM 功能描述:緩沖器和線路驅(qū)動器 Octal Buf/Line Drv RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
74VHCT244AM_Q 功能描述:緩沖器和線路驅(qū)動器 Octal Buf/Line Drv RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
74VHCT244AMTC 功能描述:緩沖器和線路驅(qū)動器 Octal Buf/Line Drv RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel