參數(shù)資料
型號: 74HCT393DB,118
廠商: NXP Semiconductors
文件頁數(shù): 17/21頁
文件大?。?/td> 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
5 of 21
NXP Semiconductors
74HC393; 74HCT393
Dual 4-bit binary ripple counter
6.
Functional description
[1]
H = HIGH voltage level; L = LOW voltage level.
7.
Limiting values
[1]
For DIP14 package: Ptot derates linearly with 12 mW/K above 70 C.
[2]
For SO14 package: Ptot derates linearly with 8 mW/K above 70 C.
For (T)SSOP14 packages: Ptot derates linearly with 5.5 mW/K above 60 C.
For DHVQFN14 packages: Ptot derates linearly with 4.5 mW/K above 60 C.
Table 3.
Count sequence for one counter [1]
Count
Output
nQ0
nQ1
nQ2
nQ3
0
LLLL
1
H
LLL
2L
H
L
3
HHL
L
4
LLH
L
5H
L
H
L
6
L
HHL
7
HHHL
8
LLLH
9
H
LLH
10
LH
11
HHL
H
12
LLH
H
13
HL
HH
14
L
HHH
15
HHHH
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Max
Unit
VCC
supply voltage
0.5
+7
V
IIK
input clamping current
VI < 0.5 V or VI >VCC +0.5 V
-
20
mA
IOK
output clamping current
VO < 0.5 V or VO >VCC +0.5 V
-
20
mA
IO
output current
VO = 0.5 V to VCC +0.5 V
-
25
mA
ICC
supply current
-
±50
mA
IGND
ground current
-
50
mA
Tstg
storage temperature
65
+150
C
Ptot
total power dissipation
DIP14 package
750
mW
SO14, SSOP14, TSSOP14 and
DHVQFN14 package
500
mW
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