5-2
FAST AND LS TTL DATA
SN54/74LS09
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 0.7
Guaranteed Input LOW Voltage for
IL
npu
o
age 74 0.8
All Inputs
VIK Input Clamp Diode Voltage –0.65 –1.5 V VCC = MIN, IIN = –18 mA
IOH Output HIGH Current 54, 74 100 µA VCC = MIN, VOH = MAX
54, 74 0.25 0.4 V IOL = 4.0 mA VCC = VCC MIN,
OL
u
pu
o
age 74 0.35 0.5 V IOL = 8.0 mA
IN =
IL or
IH
per T ruth Table
20 µA VCC = MAX, VIN = 2.7 V
IH
npu
urren
0.1 mA VCC = MAX, VIN = 7.0 V
IIL Input LOW Current –0.4 mA VCC = MAX, VIN = 0.4 V
ICC Power Supply Current
Total, Output HIGH 4.8 mA VCC = MAX
Total, Output LOW 8.8
AC CHARACTERISTICS (TA = 25°C)
Limits
Symbol Parameter Min Typ Max Unit Test Conditions
tPLH T urn-Off Delay, Input to Output 20 35 ns VCC = 5.0 V
tPHL T urn-On Delay, Input to Output 17 35 ns
CL = 15 pF, RL = 2.0 kΩ