參數(shù)資料
型號(hào): 74HCT393DB,118
廠商: NXP Semiconductors
文件頁數(shù): 16/21頁
文件大小: 0K
描述: IC DUAL 4BIT BINARY RIPPL 14SSOP
產(chǎn)品培訓(xùn)模塊: Logic Packages
標(biāo)準(zhǔn)包裝: 2,000
系列: 74HCT
邏輯類型: 二進(jìn)制計(jì)數(shù)器
方向:
元件數(shù): 2
每個(gè)元件的位元數(shù): 4
復(fù)位: 異步
計(jì)數(shù)速率: 107MHz
觸發(fā)器類型: 負(fù)邊沿
電源電壓: 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 14-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 14-SSOP
包裝: 帶卷 (TR)
其它名稱: 74HCT393DB-T
74HCT393DB-T-ND
935185840118
74HC_HCT393
All information provided in this document is subject to legal disclaimers.
NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 5 — 1 April 2014
4 of 21
NXP Semiconductors
74HC393; 74HCT393
Dual 4-bit binary ripple counter
5.2 Pin description
(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 7.
Pin configuration SSOP14 and TSSOP14
Fig 8.
Pin configuration DHVQFN14
Table 2.
Pin description
Symbol
Pin
Description
1CP
1
clock input (HIGH-to-LOW, edge-triggered)
1MR
2
asynchronous master reset input (active HIGH)
1Q0
3
flip-flop output
1Q1
4
flip-flop output
1Q2
5
flip-flop output
1Q3
6
flip-flop output
GND
7
ground (0 V)
2Q3
8
flip-flop output
2Q2
9
flip-flop output
2Q1
10
flip-flop output
2Q0
11
flip-flop output
2MR
12
asynchronous master reset input (active HIGH)
2CP
13
clock input (HIGH-to-LOW, edge-triggered)
VCC
14
supply voltage
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