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HD74LS240_15 Datasheet, PDF (5/8 Pages) Renesas Technology Corp – HD74LS240 | |||
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HD74LS240
Electrical Characteristics
Item
Symbol min. typ.*
Input voltage
Hysteresis
VIH
2.0
â
VIL
â
â
VT+ â VTâ
0.2
0.4
Output voltage
2.4
â
VOH
2.0
â
â
â
VOL
â
â
Off-state output current
IOZH
â
â
IOZL
â
â
Input current
IIH
â
â
IIL
â
â
II
â
â
Short-circuit output
current
IOS
â40
â
Outputs
high
â
13
Supply Outputs
current** low
ICC
â
26
All outputs
disabled
â
29
Input clamp voltage
VIK
â
â
Notes: * VCC = 5 V, Ta = 25°C
** ICC is measured with all outputs open.
max.
â
0.8
â
â
â
0.4
0.5
20
â20
20
â0.2
0.1
â225
23
44
50
â1.5
Unit
V
V
V
V
V
µA
µA
µA
mA
mA
mA
(Ta = â20 to +75 °C)
Condition
VCC = 4.75 V
VIL = 0.8 V, IOH = â 3 mA VCC = 4.75
VIL = 0.5 V, IOH = â 15 mA V, VIH = 2 V
IOL = 12 mA VCC = 4.75 V, VIH = 2 V,
IOL = 24 mA VIL = 0.8 V
VO = 2.7 V VCC = 5.25 V, VIH = 2 V,
VO = 0.4 V
VIL = 0.8 V
VCC = 5.25 V, VI = 2.7 V
VCC = 5.25 V, VI = 0.4 V
VCC = 5.25 V, VI = 7 V
VCC = 5.25 V
mA VCC = 5.25 V
V
VCC = 4.75 V, IIN = â18 mA
Switching Characteristics
(VCC = 5 V, Ta = 25°C)
Item
Symbol
min.
typ.
max.
Unit
Condition
Propagation delay time
tPLH
â
9
14
ns
Output enable time
tPHL
â
tZL
â
12
20
18
30
ns
CL = 45 pF, RL = 667 â¦
tZH
â
15
23
ns
Output disable time
tLZ
tHZ
â
â
15
10
25
18
ns
ns
CL = 5 pF, RL = 667 â¦
Note: Refer to Test Circuit and Waveform of the Common Item "TTL Common Matter (Document No.: REJ27D0005-
0100)".
Rev.2.00, Feb.18.2005, page 3 of 5
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