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參數(shù)資料
| 型號： | MM74HC540WM |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC INVERTER 8-INPUT 20SOIC |
| 標準包裝： | 36 |
| 系列： | 74HC |
| 邏輯類型： | 逆變器，緩沖器 |
| 電路數(shù)： | 1 |
| 輸入數(shù)： | 8 |
| 特點： | 三態(tài) |
| 電源電壓： | 2 V ~ 6 V |
| 電流 - 靜態(tài)（最大值）： | 8µA |
| 輸出電流高，低： | 7.8mA，7.8mA |
| 邏輯電平 - 低： | 0.5 V ~ 1.8 V |
| 邏輯電平 - 高： | 1.5 V ~ 4.2 V |
| 額定電壓和最大 CL 時的最大傳播延遲： | 26ns @ 6V，150pF |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 供應商設備封裝： | 20-SOIC |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 包裝： | 管件 |
2005 Fairchild Semiconductor Corporation
DS005341
www.fairchildsemi.com
September 1983
Revised May 2005
MM74HC540
MM74HC541
I
nver
ti
ng
Oct
a
l
3-ST
A
T
E
Buf
fer
O
c
ta
l
3-ST
A
T
E
Buf
fer
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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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MM74HC540WM | 制造商:Fairchild Semiconductor Corporation 功能描述:IC 74HC CMOS SMD 74HC540 SOIC20 |
| MM74HC540WMX | 功能描述:緩沖器和線路驅(qū)動器 Inv Oct 3-STATE Buf 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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MM74HC541 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Inverting Octal 3-STATE Buffer Octal 3-STATE Buffer |
| MM74HC541J | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Non-Inverting Buffer/Driver |
| MM74HC541J/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Non-Inverting Buffer/Driver |
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