參數(shù)資料
型號: 74HC393DB,118
廠商: NXP Semiconductors
文件頁數(shù): 4/21頁
文件大小: 0K
描述: IC DUAL 4BIT BINARY COUNT 14SSOP
產(chǎn)品培訓(xùn)模塊: Logic Packages
標(biāo)準(zhǔn)包裝: 2,000
系列: 74HC
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: 2 V ~ 6 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: 74HC393DB-T
74HC393DB-T-ND
935187420118
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
12 of 21
NXP Semiconductors
74HC393; 74HCT393
Dual 4-bit binary ripple counter
Measurement points are given in Table 8.
a. Input pulse definition
Test data is given in Table 9.
Definitions test circuit:
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
CL = Load capacitance including jig and probe capacitance.
b. Test circuit
Fig 11. Test circuit for measuring switching times
001aac221
VM
tW
10 %
90 %
0 V
VI
negative
pulse
positive
pulse
0 V
VM
90 %
10 %
tf
tr
tf
mna101
VCC
VI
VO
RT
CL
PULSE
GENERATOR
D.U.T.
Table 9.
Test data
Type
Input
Load
VI
tr, tf
CL
74HC393
VCC
6 ns
15 pF, 50 pF
74HCT393
3 V
6 ns
15 pF, 50 pF
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