參數(shù)資料
型號: 74HCT238DB,112
廠商: NXP Semiconductors
文件頁數(shù): 14/18頁
文件大?。?/td> 0K
描述: IC 3-8 LINE DECODER/DEMUX 16SSOP
產(chǎn)品培訓模塊: Logic Packages
標準包裝: 78
系列: 74HCT
類型: 解碼器/多路分解器
電路: 1 x 3:8
獨立電路: 1
電壓電源: 單電源
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: 16-SSOP(0.209",5.30mm 寬)
供應商設(shè)備封裝: 16-SSOP
包裝: 管件
產(chǎn)品目錄頁面: 836 (CN2011-ZH PDF)
其它名稱: 568-2805-5
935189260112
74HC_HCT238_3
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 03 — 16 July 2007
5 of 18
NXP Semiconductors
74HC238; 74HCT238
3-to-8 line decoder/demultiplexer
7.
Limiting values
[1]
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2]
For DIP16 packages: above 70
°C the value of P
tot derates linearly at 12 mW/K.
[3]
For SO16 packages: above 70
°C the value of P
tot derates linearly at 8 mW/K.
For SSOP16 and TSSOP16 packages: above 60
°C the value of P
tot derates linearly at 5.5 mW/K.
For DHVQFN16 packages: above 60
°C the value of P
tot derates linearly at 4.5 mW/K.
8.
Recommended operating conditions
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
0.5 V < V
O < 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
DIP16 package
750
mW
SO16, SSOP16, TSSOP16 and
DHVQFN16 packages
500
mW
Table 5.
Recommended operating conditions
Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
74HC238
74HCT238
Unit
Min
Typ
Max
Min
Typ
Max
VCC
supply voltage
2.0
5.0
6.0
4.5
5.0
5.5
V
VI
input voltage
0
-
VCC
0-
VCC
V
VO
output voltage
0
-
VCC
0-
VCC
V
Tamb
ambient temperature
40
-
+125
40
-
+125
°C
t/V
input transition rise
and fall rate
VCC = 2.0 V
-
625
-
ns/V
VCC = 4.5 V
-
1.67
139
-
1.67
139
ns/V
VCC = 6.0 V
-
83
-
ns/V
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