參數(shù)資料
型號(hào): DM74LS243
廠商: Fairchild Semiconductor Corporation
英文描述: Octal D-Type Flip-Flop with 3-STATE Outputs; Package: TSSOP; No of Pins: 20; Container: Rail
中文描述: 四重總線收發(fā)器
文件頁(yè)數(shù): 3/5頁(yè)
文件大小: 52K
代理商: DM74LS243
3
www.fairchildsemi.com
D
Switching Characteristics
at V
CC
=
5V, T
A
=
25
°
C
Symbol
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Parameter
Conditions
Min
Max
Units
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
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Output Enable Time
18
ns
t
PZL
30
ns
to LOW Level
Output Enable Time
to HIGH Level
t
PZH
23
ns
t
PLZ
Output Disable Time
from LOW Level
25
ns
t
PHZ
Output Disable Time
from HIGH Level
Propagation Delay Time
18
ns
t
PLH
21
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
22
ns
t
PZL
Output Enable Time
to LOW Level
Output Enable Time
33
ns
t
PZH
26
ns
to HIGH Level
相關(guān)PDF資料
PDF描述
DM74LS243M Octal D-Type Flip-Flop with 3-STATE Outputs; Package: TSSOP; No of Pins: 20; Container: Tape & Reel
DM74LS243N Octal D-Type Flip-Flop with 3-STATE Outputs
DM74LS244N Octal D-Type Flip-Flop with 3-STATE Outputs; Package: SOIC-Wide; No of Pins: 20; Container: Tape & Reel
DM74LS244 Octal 3-STATE Buffer/Line Driver/Line Receiver(八3態(tài)輸出緩沖器/線驅(qū)動(dòng)器/線接收器)
DM74LS244SJ Octal D-Type Flip-Flop with 3-STATE Outputs; Package: SOP; No of Pins: 20; Container: Rail
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DM74LS243 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
DM74LS243M 功能描述:總線收發(fā)器 DISC BY MFG 2/02 RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)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(shí)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
DM74LS243MX 功能描述:總線收發(fā)器 DISC BY MFG 2/02 RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)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(shí)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
DM74LS243N 功能描述:總線收發(fā)器 Quadruple Bus Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)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(shí)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
DM74LS244AN 制造商:Freescale Semiconductor 功能描述: