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| 型号： | MM74HC540MTC |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/7页 |
| 文件大小： | 0K |
| 描述： | IC INVERTER 8-INPUT 20TSSOP |
| 标准包装： | 73 |
| 系列： | 74HC |
| 逻辑类型： | 逆变器，缓冲器 |
| 电路数： | 1 |
| 输入数： | 8 |
| 特点： | 三态 |
| 电源电压： | 2 V ~ 6 V |
| 电流 - 静态（最大值）： | 8µA |
| 输出电流高，低： | 7.8mA，7.8mA |
| 逻辑电平 - 低： | 0.5 V ~ 1.8 V |
| 逻辑电平 - 高： | 1.5 V ~ 4.2 V |
| 额定电压和最大 CL 时的最大传播延迟： | 26ns @ 6V，150pF |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 20-TSSOP |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 管件 |
| 其它名称： | MM74HC540MTC-ND MM74HC540MTCFS |
2005 Fairchild Semiconductor Corporation
DS005341
www.fairchildsemi.com
September 1983
Revised May 2005
MM74HC540
MM74HC541
I
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ti
ng
Oct
a
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3-ST
A
T
E
Buf
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O
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ta
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3-ST
A
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Buf
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MM74HC540 MM74HC541
Inverting Octal 3-STATE Buffer Octal 3-STATE Buffer
General Description
The MM74HC540 and MM74HC541 3-STATE buffers uti-
lize advanced silicon-gate CMOS technology. They pos-
sess high drive current outputs which enable high speed
operation even when driving large bus capacitances.
These circuits achieve speeds comparable to low power
Schottky devices, while retaining the advantage of CMOS
circuitry, i.e., high noise immunity, and low power consump-
tion. Both devices have a fanout of 15 LS-TTL equivalent
inputs.
The
MM74HC540
is
an
inverting
buffer
and
the
MM74HC541 is a non-inverting buffer. The 3-STATE con-
trol gate operates as a two-input NOR such that if either G1
or G2 are HIGH, all eight outputs are in the high-imped-
ance state.
In order to enhance PC board layout, the MM74HC540 and
MM74HC541 offers a pinout having inputs and outputs on
opposite sides of the package. All inputs are protected from
damage due to static discharge by diodes to VCC and
ground.
Features
s Typical propagation delay: 12 ns
s 3-STATE outputs for connection to system buses
s Wide power supply range: 2–6V
s Low quiescent current: 80
PA maximum (74HC Series)
s Output current: 6 mA
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagrams
Pin Assignments for DIP, SOIC, SOP and TSSOP
Top View
MM74HC540
Top View
MM74HC541
Order Number
Package Number
Package Description
MM74HC540WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
MM74HC540SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
MM74HC540MTC
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
MM74HC540N
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
MM74HC541WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
MM74HC541SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
MM74HC541MTC
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
MM74HC541N
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MM74HC540MTC_Q | 功能描述:缓冲器和线路驱动器 Inv Oct 3-STATE Buf RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| MM74HC540MTCX | 功能描述:缓冲器和线路驱动器 Inv Oct 3-STATE Buf RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| MM74HC540N | 功能描述:缓冲器和线路驱动器 Inv Oct 3-STATE Buf RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| MM74HC540N | 制造商:Fairchild Semiconductor Corporation 功能描述:IC 74HC CMOS 74HC540 DIP20 6V |
| MM74HC540N_Q | 功能描述:缓冲器和线路驱动器 Inv Oct 3-STATE Buf RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
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