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參數(shù)資料
| 型號： | MC74HC4316N |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 運動控制電子 |
| 英文描述： | Dual Timer; Package: DIP; No of Pins: 14; Container: Rail |
| 中文描述： | QUAD 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 8/11頁 |
| 文件大小： | 319K |
| 代理商： | MC74HC4316N |
MC74HC4316A
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
8
0
–10
–20
–30
–40
–50
–100
1.0
2.0
FREQUENCY (kHz)
d
–60
–70
–80
–90
FUNDAMENTAL FREQUENCY
DEVICE
SOURCE
Figure 15. Plot, Harmonic Distortion
3.0
APPLICATION INFORMATION
The Enable and Control pins should be at VCC or GND
logic levels, VCC being recognized as logic high and GND
being recognized as a logic low. Unused analog inputs/out-
puts may be left floating (not connected). However, it is ad-
visable to tie unused analog inputs and outputs to VCC or
VEE through a low value resistor. This minimizes crosstalk
and feedthrough noise that may be picked up by the unused
I/O pins.
The maximum analog voltage swings are determined by
the supply voltages VCC and VEE. The positive peak analog
voltage should not exceed VCC. Similarly, the negative peak
analog voltage should not go below VEE. In the example
below, the difference between VCC and VEE is twelve volts.
Therefore, using the configuration in Figure 16, a maximum
analog signal of twelve volts peak–to–peak can be con-
trolled.
When voltage transients above VCC and/or below VEE are
anticipated on the analog channels, external diodes (Dx) are
recommended as shown in Figure 17. These diodes should
be small signal, fast turn–on types able to absorb the maxi-
mum anticipated current surges during clipping. An alternate
method would be to replace the Dx diodes with MO sorbs
(Motorola high current surge protectors). MO sorbs are fast
turn–on devices ideally suited for precise dc protection with
no inherent wear out mechanism.
ANALOG O/I
ON
16
VCC = 6 V
ANALOG I/O
+ 6 V
–6 V
+ 6 V
–6 V
ENABLE CONTROL
INPUTS
(VCC OR GND)
ON
16
VCC
Dx
Dx
VCC
Dx
Figure 16.
Figure 17. Transient Suppressor Application
8
SELECTED
CONTROL
INPUT
VEE
Dx
SELECTED
CONTROL
INPUT
+ 6 V
–6 V
VCC
VEE
ENABLE CONTROL
INPUTS
(VCC OR GND)
VEE
VEE
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