74HC238 Datasheet, PDF (6/18 Pages) NXP Semiconductors – 3-to-8 line decoder/demultiplexer

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
V_IH
HIGH-level V_CC = 2.0 V
input voltage _{VCC = 4.5 V}
1.5 1.2 -
1.5
-
1.5
-V
3.15 2.4 - 3.15
-
3.15
-V
V_CC = 6.0 V
4.2 3.2 -
4.2
-
4.2
-V
V_IL
LOW-level
V_CC = 2.0 V
input voltage _{VCC = 4.5 V}
- 0.8 0.5
-
0.5
-
0.5 V
- 2.1 1.35 -
1.35
-
1.35 V
V_CC = 6.0 V
- 2.8 1.8
-
1.8
-
1.8 V
V_OH
HIGH-level
V_I = V_IH or V_IL
output voltage _{IO = −20 µA; VCC = 2.0 V}
1.9 2.0 -
1.9
-
1.9
-V
I_O = −20 µA; V_CC = 4.5 V
4.4 4.5 -
4.4
-
4.4
-V
I_O = −20 µA; V_CC = 6.0 V
5.9 6.0 -
5.9
-
5.9
-V
I_O = −4.0 mA; V_CC = 4.5 V
3.98 4.32 -
3.84
-
3.7
-V
I_O = −5.2 mA; V_CC = 6.0 V
5.48 5.81 -
5.34
-
5.2
-V
V_OL
LOW-level
V_I = V_IH or V_IL
output voltage _{IO = 20 µA; VCC = 2.0 V}
- 0 0.1
-
0.1
-
0.1 V
I_O = 20 µA; V_CC = 4.5 V
- 0 0.1
-
0.1
-
0.1 V
I_O = 20 µA; V_CC = 6.0 V
- 0 0.1
-
0.1
-
0.1 V
I_O = 4.0 mA; V_CC = 4.5 V
- 0.15 0.26 -
0.33
-
0.4 V
I_O = 5.2 mA; V_CC = 6.0 V
- 0.16 0.26 -
0.33
-
0.4 V
I_I
input leakage V_I = V_CC or GND;
current
V_CC = 6.0 V
- - ±0.1 -
±1.0
-
±1.0 µA
I_CC
supply current V_I = V_CC or GND; I_O = 0 A;
V_CC = 6.0 V
- - 8.0
-
80
-
160 µA
C_I
input
capacitance
- 3.5 -
-
-
-
- pF
74HCT238
V_IH
HIGH-level V_CC = 4.5 V to 5.5 V
input voltage
2.0 1.6 -
2.0
-
2.0
-V
V_IL
LOW-level
V_CC = 4.5 V to 5.5 V
input voltage
- 1.2 0.8
-
0.8
-
0.8 V
V_OH
HIGH-level
V_I = V_IH or V_IL; V_CC = 4.5 V
output voltage _{IO = −20 µA}
I_O = −4.0 mA
V_OL
LOW-level
V_I = V_IH or V_IL; V_CC = 4.5 V
output voltage _{IO = 20 µA}
I_O = 4.0 mA
I_I
input leakage V_I = V_CC or GND;
current
V_CC = 5.5 V
4.4 4.5 -
4.4
-
4.4
3.98 4.32 - 3.84
-
3.7
- 0 0.1
-
0.1
-
- 0.16 0.26 -
0.33
-
- - ±0.1 -
±1.0
-
-V
-V
0.1 V
0.4 V
±1.0 µA
74HC_HCT238_3
Product data sheet
Rev. 03 — 16 July 2007
© NXP B.V. 2007. All rights reserved.
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