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參數(shù)資料
| 型號(hào)： | MC145583VF |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????) |
| 中文描述： | LINE TRANSCEIVER, PDSO28 |
| 封裝： | SSOP-28 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 188K |
| 代理商： | MC145583VF |
MC145583
6
MOTOROLA
ESD PROTECTION
ESD protection on IC devices that have their pins acces-
sible to the outside world is essential. High static voltages
applied to the pins when someone touches them either
directly or indirectly can cause damage to gate oxides and
transistor junctions by coupling a portion of the energy from
the I/O pin to the power supply buses of the IC. This coupling
will usually occur through the internal ESD protection diodes
which are designed to do just that. The key to protecting the
IC is to shunt as much of the energy to ground as possible
before it enters the IC. Figure 1 shows a technique which will
clamp the ESD voltage at approximately
±
15 V using the
MMBZ15VDLT1. Any residual voltage which appears on the
supply pins is shunted to ground through the capacitors C1
and C2.
VSS
STB
Rx1
Rx2
Rx3
Tx1
Rx4
Tx2
Rx5
Tx3
C5–
RIMON
C5+
GND
MMBZ15VDLT1 x 8
C1–
VDD
C2–
C1+
C2+
VCC
DO4
DI2
DO3
DI1
DO1
DO2
DO5
DI3
0.1
μ
F
C2
C1
0.1
μ
F
Figure 1. ESD Protection Scheme
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| MC145583VFEL | 制造商:Rochester Electronics LLC 功能描述:EIA-232D 3.3V ONLY - Bulk |
| MC14559BCP | 功能描述:寄存器 LOG CMOS SHIFT REG APPROX RoHS:否 制造商:NXP Semiconductors 邏輯類型:CMOS 邏輯系列:HC 電路數(shù)量:1 最大時(shí)鐘頻率:36 MHz 傳播延遲時(shí)間: 高電平輸出電流:- 7.8 mA 低電平輸出電流:7.8 mA 電源電壓-最大:6 V 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-38 封裝:Tube |
| MC14559BCPG | 功能描述:寄存器 LOG CMOS SHIFT REG APPROX RoHS:否 制造商:NXP Semiconductors 邏輯類型:CMOS 邏輯系列:HC 電路數(shù)量:1 最大時(shí)鐘頻率:36 MHz 傳播延遲時(shí)間: 高電平輸出電流:- 7.8 mA 低電平輸出電流:7.8 mA 電源電壓-最大:6 V 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-38 封裝:Tube |
| MC14559BDWR2 | 功能描述:寄存器 LOG CMOS SHIFT REG APPROX RoHS:否 制造商:NXP Semiconductors 邏輯類型:CMOS 邏輯系列:HC 電路數(shù)量:1 最大時(shí)鐘頻率:36 MHz 傳播延遲時(shí)間: 高電平輸出電流:- 7.8 mA 低電平輸出電流:7.8 mA 電源電壓-最大:6 V 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-38 封裝:Tube |
| MC14559BDWR2G | 功能描述:寄存器 LOG CMOS SHIFT REG APPROX RoHS:否 制造商:NXP Semiconductors 邏輯類型:CMOS 邏輯系列:HC 電路數(shù)量:1 最大時(shí)鐘頻率:36 MHz 傳播延遲時(shí)間: 高電平輸出電流:- 7.8 mA 低電平輸出電流:7.8 mA 電源電壓-最大:6 V 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-38 封裝:Tube |
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