參數(shù)資料
型號: DM74LS244
廠商: Fairchild Semiconductor Corporation
英文描述: Octal 3-STATE Buffer/Line Driver/Line Receiver(八3態(tài)輸出緩沖器/線驅(qū)動器/線接收器)
中文描述: 八路三態(tài)緩沖器/線路驅(qū)動器/線接收器(八3態(tài)輸出緩沖器/線驅(qū)動器/線接收器)
文件頁數(shù): 3/6頁
文件大?。?/td> 65K
代理商: DM74LS244
3
www.fairchildsemi.com
D
Switching Characteristics
at V
CC
=
5V, T
A
=
25
°
C
Symbol
Parameter
Conditions
Max
Units
t
PLH
Propagation Delay Time
C
L
=
45 pF
R
L
=
667
C
L
=
45 pF
R
L
=
667
C
L
=
45 pF
R
L
=
667
C
L
=
45 pF
R
L
=
667
C
L
=
5 pF
R
L
=
667
C
L
=
5 pF
R
L
=
667
C
L
=
150 pF
R
L
=
667
C
L
=
150 pF
R
L
=
667
C
L
=
150 pF
R
L
=
667
C
L
=
150 pF
R
L
=
667
18
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
18
ns
t
PZL
Output Enable Time to
LOW Level
Output Enable Time to
30
ns
t
PZH
23
ns
HIGH Level
Output Disable Time
t
PLZ
25
ns
from LOW Level
Output Disable Time
from HIGH Level
t
PHZ
18
ns
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
21
ns
t
PHL
22
ns
HIGH-to-LOW Level Output
Output Enable Time to
LOW Level
t
PZL
33
ns
t
PZH
Output Enable Time to
HIGH Level
26
ns
相關(guān)PDF資料
PDF描述
DM74LS244SJ Octal D-Type Flip-Flop with 3-STATE Outputs; Package: SOP; No of Pins: 20; Container: Rail
DM74LS244WM Octal 3-STATE Buffer/Line Driver/Line Receiver
DM74LS244SJX Dual 4-Bit Non-Inverting Buffer/Driver
DM74LS244WMX Dual 4-Bit Non-Inverting Buffer/Driver
DM74LS245SJX Single 8-bit Bus Transceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DM74LS244AN 制造商:Freescale Semiconductor 功能描述:
DM74LS244N 功能描述:緩沖器和線路驅(qū)動器 Oct 3-STATE Bf/Ln Dr 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
DM74LS244SJ 功能描述:緩沖器和線路驅(qū)動器 Oct 3-STATE Bf/Ln Dr 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
DM74LS244SJX 功能描述:緩沖器和線路驅(qū)動器 Oct 3-STATE Bf/Ln Dr 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
DM74LS244WM 功能描述:緩沖器和線路驅(qū)動器 Oct 3-STATE Bf/Ln Dr 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