74HC393N 查看數據表（PDF） - NXP Semiconductors.
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74HC393N Datasheet PDF : 21 Pages
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NXP Semiconductors
74HC393; 74HCT393
Dual 4-bit binary ripple counter
&3
05
4
4
4
4
*1'
+&
+&7
9&&
&3
05
4
4
4
4
DDD
Fig 7. Pin configuration SSOP14 and TSSOP14
+&
+&7
WHUPLQDO
LQGH[DUHD
05
4
4
4
4
9&&
&3
05
4
4
4
DDD
7UDQVSDUHQWWRSYLHZ
(1) This is not a supply pin. The substrate is attached to this
pad using conductive die attach material. There is no
electrical or mechanical requirement to solder this pad.
However, if it is soldered, the solder land should remain
floating or be connected to VCC.
Fig 8. Pin configuration DHVQFN14
5.2 Pin description
Table 2.
Symbol
1CP
1MR
1Q0
1Q1
1Q2
1Q3
GND
2Q3
2Q2
2Q1
2Q0
2MR
2CP
VCC
Pin description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Description
clock input (HIGH-to-LOW, edge-triggered)
asynchronous master reset input (active HIGH)
flip-flop output
flip-flop output
flip-flop output
flip-flop output
ground (0 V)
flip-flop output
flip-flop output
flip-flop output
flip-flop output
asynchronous master reset input (active HIGH)
clock input (HIGH-to-LOW, edge-triggered)
supply voltage
74HC_HCT393
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 16 May 2013
© NXP B.V. 2013. All rights reserved.
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