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DM74AS258M View Datasheet(PDF) - Fairchild Semiconductor

Part NameDescriptionManufacturer
DM74AS258M 3-STATE Quad 1 of 2 Line Data Selector/Multiplexers Fairchild
Fairchild Semiconductor Fairchild
DM74AS258M Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
Electrical Characteristics
Over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C.
Symbol
Parameter
Conditions
Min. Typ. Max. Units
VIK Input Clamp Voltage
VOH HIGH Level Output Voltage
VOL LOW Level Output Voltage
II
Input Current @ Max. Input
Voltage
VCC = 4.5V, II = –18 mA
VCC = 4.5V, IOH = Max
IOH = –2 mA, VCC = 4.5V to 5.5V
VCC = 4.5V, IOL = Max
VCC = 5.5V, VIH = 7V A, B, G
Select
–1.2 V
2.4
3.2
V
VCC – 2
0.35 0.5
V
0.1 mA
0.2
IIH HIGH Level Input Current
VCC = 5.5V, VIH = 2.7V A, B, G
Select
20 µA
40
IIL LOW Level Input Current
VCC = 5.5V, VIL = 0.4V Select
All Others
IO(1) Output Drive Current
VCC = 5.5V, VO = 2.25V
–30
IOZH Off-State Output Current,
HIGH Level Voltage Applied
VCC = 5.5V, VO = 2.7V
–1 mA
–0.5
–112 mA
–50 µA
IOZL Off-State Output Current,
LOW Level Voltage Applied
VCC = 5.5V, VO = 0.4V
–50 µA
ICCH
Supply Current DM74AS257
DM74AS258
VCC = 5.5V,
Outputs Open
Outputs HIGH
12.9 19.7 mA
8.8 13.5
ICCL Supply Current DM74AS257
DM74AS258
Outputs LOW
19 30.6 mA
15.8 24.6
ICCZ Supply Current DM74AS257
DM74AS258
Outputs
Disabled
19.7 31.9 mA
15.5 25.2
Note:
1. The output conditions have been chosen to produce a current that closely approximates one half of the true
short-circuit output current, IOS.
©1986 Fairchild Semiconductor Corporation
DM74AS257, DM74AS258 Rev. 1.2
4
www.fairchildsemi.com
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