参数资料
型号: 74HC238DB,118
厂商: NXP Semiconductors
文件页数: 16/18页
文件大小: 0K
描述: IC 3:8 LINE DECODER/DEMUX 16SSOP
产品培训模块: Logic Packages
标准包装: 2,000
系列: 74HC
类型: 解码器/多路分解器
电路: 1 x 3:8
独立电路: 1
输出电流高,低: 5.2mA,5.2mA
电压电源: 单电源
电源电压: 2 V ~ 6 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.209",5.30mm 宽)
供应商设备封装: 16-SSOP
包装: 带卷 (TR)
其它名称: 74HC238DB-T
74HC238DB-T-ND
935189270118
74HC_HCT238_3
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 03 — 16 July 2007
7 of 18
NXP Semiconductors
74HC238; 74HCT238
3-to-8 line decoder/demultiplexer
10. Dynamic characteristics
ICC
supply current VI =VCC or GND;
VCC = 5.5 V; IO =0A
-
8.0
-
80
-
160
A
ICC
additional
supply current
per input pin;
VI =VCC 2.1 V;
other inputs at VCC or GND;
VCC = 4.5 V to 5.5 V;
IO =0A
An inputs
-
70
252
-
315
-
343
A
E1, E2 inputs
-
40
144
-
180
-
196
A
E3 input
-
145
522
-
653
-
711
A
CI
input
capacitance
-
3.5
-
pF
Table 6.
Static characteristics …continued
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
Table 7.
Dynamic characteristics
GND = 0 V; test circuit see Figure 8.
Symbol Parameter
Conditions
25
°C
40 °C to +125 °C
Min
Typ
Max
(85
°C)
Max
(125
°C)
Unit
74HC238
tpd
propagation delay
An to Yn; see Figure 6
VCC = 2.0 V
-
47
150
190
225
ns
VCC = 4.5 V
-
17
30
38
45
ns
VCC = 5.0 V; CL =15pF
-
14
-
ns
VCC = 6.0 V
-
14
26
33
38
ns
E3 to Yn; see Figure 6
VCC = 2.0 V
-
52
160
200
240
ns
VCC = 4.5 V
-
19
32
40
48
ns
VCC = 5.0 V; CL =15pF
-
16
-
ns
VCC = 6.0 V
-
15
27
34
41
ns
En to Yn or see Figure 7
VCC = 2.0 V
-
50
155
195
235
ns
VCC = 4.5 V
-
18
31
39
47
ns
VCC = 5.0 V; CL =15pF
-
17
-
ns
VCC = 6.0 V
-
14
26
33
40
ns
tt
transition time
VCC = 2.0 V
-
19
75
95
110
ns
VCC = 4.5 V
-
7
15
19
22
ns
VCC = 6.0 V
-
6
13
16
19
ns
CPD
power dissipation
capacitance
per package; VI = GND to VCC
-72-
-
pF
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