參數(shù)資料
型號: 74HCT238BQ,115
廠商: NXP Semiconductors
文件頁數(shù): 15/18頁
文件大小: 0K
描述: IC 3-8 LINE DECOD/DEMUX 16DHVQFN
產(chǎn)品培訓(xùn)模塊: Logic Packages
標(biāo)準(zhǔn)包裝: 3,000
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-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 16-DHVQFN(2.5x3.5)
包裝: 帶卷 (TR)
其它名稱: 568-9248-2
74HCT238BQ,115-ND
74HCT238BQ-G
74HCT238BQ-G-ND
935283682115
74HC_HCT238_3
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 03 — 16 July 2007
6 of 18
NXP Semiconductors
74HC238; 74HCT238
3-to-8 line decoder/demultiplexer
9.
Static characteristics
Table 6.
Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
25
°C
40 °C to +85 °C 40 °C to +125 °C Unit
Min
Typ
Max
Min
Max
Min
Max
74HC238
VIH
HIGH-level
input voltage
VCC = 2.0 V
1.5
1.2
-
1.5
-
1.5
-
V
VCC = 4.5 V
3.15
2.4
-
3.15
-
3.15
-
V
VCC = 6.0 V
4.2
3.2
-
4.2
-
4.2
-
V
VIL
LOW-level
input voltage
VCC = 2.0 V
-
0.8
0.5
-
0.5
-
0.5
V
VCC = 4.5 V
-
2.1
1.35
-
1.35
-
1.35
V
VCC = 6.0 V
-
2.8
1.8
-
1.8
-
1.8
V
VOH
HIGH-level
output voltage
VI =VIH or VIL
IO = 20 A; VCC = 2.0 V
1.9
2.0
-
1.9
-
1.9
-
V
IO = 20 A; VCC = 4.5 V
4.4
4.5
-
4.4
-
4.4
-
V
IO = 20 A; VCC = 6.0 V
5.9
6.0
-
5.9
-
5.9
-
V
IO = 4.0 mA; VCC = 4.5 V
3.98 4.32
-
3.84
-
3.7
-
V
IO = 5.2 mA; VCC = 6.0 V
5.48 5.81
-
5.34
-
5.2
-
V
VOL
LOW-level
output voltage
VI =VIH or VIL
IO =20 A; VCC = 2.0 V
-
0
0.1
-
0.1
-
0.1
V
IO =20 A; VCC = 4.5 V
-
0
0.1
-
0.1
-
0.1
V
IO =20 A; VCC = 6.0 V
-
0
0.1
-
0.1
-
0.1
V
IO = 4.0 mA; VCC = 4.5 V
-
0.15
0.26
-
0.33
-
0.4
V
IO = 5.2 mA; VCC = 6.0 V
-
0.16
0.26
-
0.33
-
0.4
V
II
input leakage
current
VI =VCC or GND;
VCC = 6.0 V
--
±0.1
-
±1.0
-
±1.0
A
ICC
supply current VI =VCC or GND; IO =0A;
VCC = 6.0 V
-
8.0
-
80
-
160
A
CI
input
capacitance
-
3.5
-
pF
74HCT238
VIH
HIGH-level
input voltage
VCC = 4.5 V to 5.5 V
2.0
1.6
-
2.0
-
2.0
-
V
VIL
LOW-level
input voltage
VCC = 4.5 V to 5.5 V
-
1.2
0.8
-
0.8
-
0.8
V
VOH
HIGH-level
output voltage
VI =VIH or VIL; VCC = 4.5 V
IO = 20 A
4.4
4.5
-
4.4
-
4.4
-
V
IO = 4.0 mA
3.98 4.32
-
3.84
-
3.7
-
V
VOL
LOW-level
output voltage
VI =VIH or VIL; VCC = 4.5 V
IO =20 A
-
0
0.1
-
0.1
-
0.1
V
IO = 4.0 mA
-
0.16
0.26
-
0.33
-
0.4
V
II
input leakage
current
VI =VCC or GND;
VCC = 5.5 V
--
±0.1
-
±1.0
-
±1.0
A
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