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| 74HC_HCT241_CNV_15 Datasheet, PDF (6/8 Pages) NXP Semiconductors – Octal buffer/line driver; 3-state | |||
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Philips Semiconductors
Octal buffer/line driver; 3-state
Product speciï¬cation
74HC/HCT241
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see â74HC/HCT/HCU/HCMOS Logic Family Specificationsâ.
Output capability: bus driver
ICC category: MSI
Note to HCT types
The value of additional quiescent supply current (âICC) for a unit load of 1 is given in the family specifications.
To determine âICC per input, multiply this value by the unit load coefficient shown in the table below.
INPUT
1An
2An
1OE
2OE
UNIT LOAD COEFFICIENT
0.70
0.70
0.70
1.50
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HCT
+25
â40 to +85
â40 to +125
UNIT
VCC
(V)
min. typ. max. min. max. min. max.
WAVEFORMS
tPHL/ tPLH
propagation delay
1An to 1Yn;
2An to 2Yn
13 22
28
tPZH/ tPZL 3-state output enable time
15 30
38
1OE to 1Yn;
2OE to 2Yn
tPHZ/ tPLZ 3-state output disable time
18 30
38
1OE to 1Yn;
2OE to 2Yn
tTHL/ tTLH output transition time
5 12
15
33 ns 4.5 Fig.5
45 ns 4.5 Fig.6
45 ns 4.5 Fig.6
18 ns 4.5 Fig.5
September 1993
6
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