SN74LS299 데이터 시트보기 (PDF) - Motorola => Freescale
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SN74LS299 Datasheet PDF : 7 Pages
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SN54 / 74LS299
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
Input Clamp Diode Voltage
Output HIGH Voltage
54
I/O0 – I/O7
74
– 0.65 – 1.5
2.4
3.2
2.4
3.1
V
VCC = MIN, IIN = – 18 mA
V
VCC = MIN, IOH = MAX
V
VOH
Output HIGH Voltage
Q0, Q7
54
2.5
3.4
74
2.7
3.4
V
V
VCC = MIN, IOH = MAX
VOL
Output LOW Voltage
I/O0 – I/O7
54, 74
74
0.25 0.4
0.35 0.5
V
IOL = 12 mA
V
IOL = 24 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
VOL
Output LOW Voltage
I/O0 – I/O7
54, 74
74
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN = VIL or VIH
0.5
V
IOL = 8.0 mA
per Truth Table
IOZH
Output Off Current HIGH
I/O0 – I/O7
40
µA VCC = MAX, VOUT = 2.7 V
IOZL
Output Off Current LOW
I/O0 – I/O7
– 400 µA VCC = MAX, VOUT = 0.4 V
Others
S0, S1,
I/O0 – I/O7
IIH
Input HIGH Current
Others
S0, S1
20
µA
VCC = MAX, VIN = 2.7 V
40
µA
0.1
mA
VCC = MAX, VIN = 7.0 V
0.2
mA
I/O0 – I/O7
0.1
mA VCC = MAX, VIN = 5.5 V
Others
IIL
Input LOW Current
S0, S1
– 0.4
– 0.8
mA
mA
VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current Q0, Q7
– 20
(Note 1)
I/O0 – I/O7
– 30
–100 mA VCC = MAX
–130 mA VCC = MAX
ICC
Power Supply Current
53
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
mA VCC = MAX
FAST AND LS TTL DATA
5-481
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