HD74LS266P 查看數據表（PDF） - Renesas Electronics
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HD74LS266P Datasheet PDF : 4 Pages
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HD74LS266
Absolute Maximum Ratings
Item
Symbol
Ratings
Supply voltage
VCC
7
Input voltage
VIN
7
Power dissipation
PT
400
Storage temperature
Tstg
–65 to +150
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item
Supply voltage
Output voltage
Output current
Operating temperature
Symbol
VCC
VOH
IOL
Topr
Min
4.75
—
—
–20
Typ
5.00
—
—
25
Max
5.25
5.5
8
75
Unit
V
V
mW
°C
Unit
V
V
mA
°C
Electrical Characteristics
(Ta = –20 to +75 °C)
Item
Symbol min. typ.* max. Unit
Condition
Input voltage
VIH
2.0
—
—
V
VIL
—
—
0.8
Output current
IOH
—
—
100
µA
VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V,
VOH = 5.5 V
Output voltage
VOL
—
—
0.4
V
IOL = 4 mA VCC = 4.75 V, VIH = 2 V,
—
—
0.5
IOL = 8 mA VIL = 0.8 V
IIH
—
—
40
µA VCC = 5.25 V, VI = 2.7 V
Input current
IIL
—
—
–0.8
mA VCC = 5.25 V, VI = 0.4 V
II
—
—
0.2
mA VCC = 5.25 V, VI = 7 V
Supply current
ICC**
—
8
13
mA VCC = 5.25 V
Input clamp voltage
VIK
—
—
–1.5
V
VCC = 4.75 V, IIN = –18 mA
Notes: * VCC = 5 V, Ta = 25°C
** ICC is measured with one input of each gate at 4.5 V, the other inputs grounded, and the outputs open.
Switching Characteristics
(VCC = 5 V, Ta = 25°C)
Item
Symbol Inputs min.
typ.
max.
Unit
Condition
tPLH
A or B
—
18
30
Propagation delay time
tPHL
—
tPLH
A or B
—
18
18
30
30
ns
CL = 15 pF, RL = 2 kΩ
tPHL
—
18
30
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 2 of 3
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