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參數資料
| 型號： | SN74LS122N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 諧振器 |
| 英文描述： | RETRIGGERABLE MONOSTABLE MULTIVIBRATORS |
| 中文描述： | LS SERIES, MONOSTABLE MULTIVIBRATOR, PDIP16 |
| 封裝： | PLASTIC, 648-08, 16 PIN |
| 文件頁數： | 1/10頁 |
| 文件大小： | 278K |
| 代理商： | SN74LS122N |
5-197
FAST AND LS TTL DATA
RETRIGGERABLE MONOSTABLE
MULTIVIBRATORS
These dc triggered multivibrators feature pulse width control by three meth-
ods. The basic pulse width is programmed by selection of external resistance
and capacitance values. The LS122 has an internal timing resistor that allows
the circuits to be used with only an external capacitor. Once triggered, the ba-
sic pulse width may be extended by retriggering the gated low-level-active (A)
or high-level-active (B) inputs, or be reduced by use of the overriding clear.
Overriding Clear Terminates Output Pulse
Compensated for VCC and Temperature Variations
DC Triggered from Active-High or Active-Low Gated Logic Inputs
Retriggerable for Very Long Output Pulses, up to 100% Duty Cycle
Internal Timing Resistors on LS122
SN54/74LS122
(TOP VIEW)
(SEE NOTES 1 THRU 4)
SN54/74LS123
(TOP VIEW)
(SEE NOTES 1 THRU 4)
NOTES:
1. An external timing capacitor may be connected between Cext and Rext/Cext (positive).
2. To use the internal timing resistor of the LS122, connect Rint to VCC.
3. For improved pulse width accuracy connect an external resistor between Rext/Cext and
VCC with Rint open-circuited.
4. To obtain variable pulse widths, connect an external variable resistance between Rint/Cext
and VCC.
!
"
SN54/74LS122
SN54/74LS123
RETRIGGERABLE MONOSTABLE
MULTIVIBRATORS
LOW POWER SCHOTTKY
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
16
1
16
1
ORDERING INFORMATION
SN54LSXXXJ
SN74LSXXXN
SN74LSXXXD
Ceramic
Plastic
SOIC
16
1
D SUFFIX
SOIC
CASE 751B-03
J SUFFIX
CERAMIC
CASE 632-08
N SUFFIX
PLASTIC
CASE 646-06
14
1
14
1
14
1
D SUFFIX
SOIC
CASE 751A-02
相關PDF資料 |
PDF描述 |
|---|---|
| SN74LS132N | QUAD 2-INPUT SCHMITT TRIGGER NAND GATE |
| SN74LS132D | QUAD 2-INPUT SCHMITT TRIGGER NAND GATE |
| SN74LS133D | 13-INPUT NAND GATE |
| SN54LS133 | 13-INPUT NAND GATE |
| SN74LS133N | 13-INPUT NAND GATE |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74LS122N | 制造商:Texas Instruments 功能描述:Logic - Multivibrator IC |
| SN74LS122N3 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS122NE4 | 功能描述:單穩態多諧振蕩器 Retriggerable mono multivibrator 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 |
| SN74LS122NS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS122NSR | 功能描述:單穩態多諧振蕩器 Retriggerable Mono 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 |
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