參數(shù)資料
型號(hào)： 74HC4538A
廠商： Motorola, Inc.
元件分類： 參考電壓二極管
英文描述： Low Current Operation at 250 ，Low Reverse Leakage,Low Noise Zener Diode
中文描述： 250 的低電流運(yùn)算，低反向泄露，低噪聲穩(wěn)壓二極管
文件頁(yè)數(shù)： 1/13頁(yè)
文件大?。?/td> 368K
代理商： 74HC4538A
SEMICONDUCTOR TECHNICAL DATA
3–1
REV 6
Motorola, Inc. 1995
10/95
!
! "
The MC54/74HC4538A is identical in pinout to the MC14538B. The device
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LSTTL outputs.
This dual monostable multivibrator may be triggered by either the positive
or the negative edge of an input pulse, and produces a precision output
pulse over a wide range of pulse widths. Because the device has conditioned
trigger inputs, there are no trigger–input rise and fall time restrictions. The
output pulse width is determined by the external timing components, Rx and
Cx. The device has a reset function which forces the Q output low and the Q
output high, regardless of the state of the output pulse circuitry.
Unlimited Rise and Fall Times Allowed on the Trigger Inputs
Output Pulse is Independent of the Trigger Pulse Width
±
10% Guaranteed Pulse Width Variation from Part to Part (Using the
Same Test Jig)
Output Drive Capability: 10 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS and TTL
Operating Voltage Range: 3.0 to 6.0 V
Low Input Current: 1.0
μ
A
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 145 FETs or 36 Equivalent Gates
LOGIC DIAGRAM
PIN 16 = VCC
PIN 8 = GND
RX AND CX ARE EXTERNAL COMPONENTS
PIN 1 AND PIN 15 MUST BE HARD WIRED TO GND
CX1
RX1
VCC
Q1
RESET 1
B1
A1
TRIGGER
INPUTS
Q1
1
2
4
5
3
6
7
CX2
RX2
VCC
Q2
RESET 2
B2
A2
TRIGGER
INPUTS
Q2
15
14
12
11
13
10
9
PIN ASSIGNMENT
13
14
15
16
9
10
11
12
5
4
3
2
1
8
7
6
A2
RESET 2
CX2/RX2
GND
VCC
Q2
Q2
B2
A1
RESET 1
CX1/RX1
GND
GND
Q1
Q1
B1
FUNCTION TABLE
Inputs
A
Outputs
Q
Reset
B
Q
H
H
H
H
H
H
L
H
L
X
H
L
X
H
Not Triggered
Not Triggered
Not Triggered
Not Triggered
L
Not Triggered
L,H,
L
X
X
L,H,
X
X
H
D SUFFIX
SOIC PACKAGE
CASE 751B–05
N SUFFIX
PLASTIC PACKAGE
CASE 648–08
ORDERING INFORMATION
MC54HCXXXXAJ
MC74HCXXXXAN
MC74HCXXXXAD
Ceramic
Plastic
SOIC
1
16
1
16
J SUFFIX
CERAMIC PACKAGE
CASE 620–10
1
16
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74HC4538D 功能描述:單穩(wěn)態(tài)多諧振蕩器 DUAL MONO RETRIG PRECISION RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時(shí)間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
74HC4538D(BJ) 功能描述:DUAL PRECISION MONOMULTIVIBRATOR 制造商:toshiba semiconductor and storage 系列:74HC 零件狀態(tài):在售 邏輯類型:單穩(wěn)態(tài) 獨(dú)立電路:2 施密特觸發(fā)器輸入:是 傳播延遲:25ns 電流 - 輸出高，低:5.2mA，5.2mA 電壓 - 電源:2V ~ 6V 工作溫度:-40°C ~ 125°C（TA） 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商器件封裝:16-SOIC 標(biāo)準(zhǔn)包裝:1
74HC4538D,652 功能描述:單穩(wěn)態(tài)多諧振蕩器 DUAL MONO RETRIG RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時(shí)間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
74HC4538D,653 功能描述:單穩(wěn)態(tài)多諧振蕩器 DUAL RETRIG PRECISION MONOSTAT RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時(shí)間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
74HC4538D 制造商:NXP Semiconductors 功能描述:74HC CMOS SMD 74HC4538 SOIC16
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