SN74LS266N 查看數據表（PDF） - Motorola => Freescale
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SN74LS266N Datasheet PDF : 2 Pages
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SN54 / 74LS266
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min Typ Max Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
54
VIL
Input LOW Voltage
74
0.7
Guaranteed Input LOW Voltage for
0.8
V All Inputs
VIK
VOH
VOL
Input Clamp Diode Voltage
Output HIGH Voltage
Output LOW Voltage
54, 74
54, 74
74
– 0.65
0.25
0.35
– 1.5
100
0.4
0.5
V VCC = MIN, IIN = – 18 mA
µA VCC = MIN, VOH = MAX
V IOL = 4.0 mA
V IOL = 8.0 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
IIH
Input HIGH Current
IIL
Input LOW Current
ICC
Power Supply Current
40
µA VCC = MAX, VIN = 2.7 V
0.2
mA VCC = MAX, VIN = 7.0 V
–0.8 mA VCC = MAX, VIN = 0.4 V
13
mA VCC = MAX
AC CHARACTERISTICS (TA = 25°C)
Limits
Symbol
Parameter
Min Typ Max Unit
tPLH
tPHL
Propagation Delay, Other Input LOW
18
18
30
30
ns
tPLH
tPHL
Propagation Delay, Other Input HIGH
18
18
30
30
ns
Test Conditions
VCC = 5.0 V
CL = 15 pF, RL = 2.0 kΩ
FAST AND LS TTL DATA
5-2
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