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参数资料
| 型号： | SN74LV221AQPWRG4Q1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 谐振器 |
| 英文描述： | LV/LV-A/LVX/H SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16 |
| 封装： | GREEN, PLASTIC, TSSOP-16 |
| 文件页数： | 7/14页 |
| 文件大小： | 192K |
| 代理商： | SN74LV221AQPWRG4Q1 |
CLR
Cext
Rext/Cext
R
B
A
Q
SCLS692A
– OCTOBER 2005 – REVISED APRIL 2008
Table 1. ORDERING INFORMATION(1)
TA
PACKAGE(2)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
–40°C to 125°C
TSSOP
– PW
Reel of 2000
SN74LV221AQPWRQ1
LV221AQ
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2)
Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
Pin assignments are identical to those of the SN74AHC123A and SN74AHCT123A devices, so the
SN74LV221A-Q1 can be substituted for those devices not using the retrigger feature.
For additional application information on multivibrators, see the application report Designing With The
SN74AHC123A and SN74AHCT123A, literature number SCLA014.
FUNCTION TABLE
(EACH MULTIVIBRATOR)
INPUTS
OUTPUTS
FUNCTION
CLR
A
B
Q
L
X
L
H
Reset
H
X
L
H
Inhibit
H
X
L
H
Inhibit
H
L
↑
Outputs enabled
H
↓
H
Outputs enabled
↑(1)
L
H
Outputs enabled
(1)
This condition is true only if the output of the latch formed by the NAND gate has been conditioned to the logic 1 state prior to CLR
going high. This latch is conditioned by taking either A high or B low while CLR is inactive (high).
LOGIC DIAGRAM (POSITIVE LOGIC)
2
Copyright
2005–2008, Texas Instruments Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74LV221AQPWRQ1 | 功能描述:单稳态多谐振荡器 Auto Cat Dual Mono Multivibrators RoHS:否 制造商:Texas Instruments 每芯片元件:1 逻辑系列:LVC 逻辑类型:Monostable Multivibrator 封装 / 箱体:SSOP-8 传播延迟时间:18.6 ns 高电平输出电流:- 32 mA 低电平输出电流:32 mA 电源电压-最大:5.5 V 电源电压-最小:1.65 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
| SN74LV240ADBR | 功能描述:缓冲器和线路驱动器 Tri-State Octal 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 |
| SN74LV240ADBRE4 | 功能描述:缓冲器和线路驱动器 Octal Buffer/Driver With 3-State Outputs 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 |
| SN74LV240ADBRG4 | 功能描述:缓冲器和线路驱动器 Octal Buffers Driver 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 |
| SN74LV240ADGVR | 功能描述:缓冲器和线路驱动器 Tri-State Octal 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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