MC74F1245N Ver la hoja de datos (PDF) - Motorola => Freescale
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MC74F1245N Datasheet PDF : 3 Pages
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MC74F1245
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Symbol
Parameter
Limits
Min
Typ
Max Unit
Test Conditions
(Note 1)
VIH
Input HIGH Voltage
VIL
Input LOW Voltage
2.0
—
—
V Guaranteed Input HIGH Voltage
—
—
0.8
V Guaranteed Input LOW Voltage
VIK
VOH
Input Clamp Diode Voltage
Output HIGH Voltage An Outputs
—
–0.73 –1.2 V VCC = MIN, IIN = –18 mA
74
2.4
3.3
—
V
VCC = 4.5 V
IOH = –3.0 mA
74
2.7
3.3
—
V
VCC = 4.75 V
VOH
Output HIGH Voltage Bn Outputs
74
2.4
3.4
—
V
VCC = 4.5 V
74
2.7
3.4
—
V
IOH = –3.0 mA VCC = 4.75 V
74
2.0
—
—
V IOH = –15 mA VCC = 4.5 V
VOL
Output LOW Voltage An Outputs
74
—
VOL Output LOW Voltage Bn Outputs
74
—
IOZH Output Off Current HIGH
—
IOZL
Output Off Current LOW
—
OE, T/R Inputs
—
IIH
Input HIGH Current
An, Bn Inputs
—
OE, T/R Inputs
—
IIHH
IIL
Input HIGH Current
Input LOW Current
Bn Inputs
—
An Inputs
—
OE, T/R Inputs
—
An, Bn Inputs
—
0.35 0.5
—
0.55
V IOL = 24 mA
V IOL = 64 mA
VCC = MIN
—
70
µA VCC = MAX
VOUT = 2.7 V
—
–70 µA VCC = MAX, VOUT = 0.5 V
—
40
µA VCC = MAX, VIN = 2.7 V
—
70
µA VCC = MAX, VIN = 2.7 V
—
100 µA VCC = 0 V, VIN = 7.0 V
—
1.0 mA VCC = 0 V, VIN = 5.5 V
—
2.0 mA VCC = 0 V, VIN = 5.5 V
—
–40 µA
—
–70
µA VCC = MAX, VIN = 0.5 V
Output Short Circuit Current
IOS
(Note 2)
An Outputs
Bn Outputs
–60
–100
—
–150 mA
—
–225 mA VCC = MAX, VOUT = GND
ICCH
—
—
120
ICC
Power Supply Current
ICCL
—
—
120 mA VCC = MAX
ICCZ
—
—
130
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type.
2. Not more than one output should be shorted at a time, nor for more than 1 second.
AC ELECTRICAL CHARACTERISTICS
Symbol
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Parameter
Propagation Delay
Transparent Mode An to Bn or Bn to An
Output Enable Time
Output Disable Time
74F
TA = +25°C
VCC = +5.0 V
CL = 50 pF
Min
Max
2.0
6.5
2.5
7.5
3.0
8.0
4.0
10.0
2.0
8.0
1.0
10.0
74F
TA = 0°C to +70°C
VCC = +5.0 V ±10%
CL = 50 pF
Min
Max
Unit
1.5
7.0
ns
2.0
8.0
2.5
9.0
ns
3.5
11.0
1.5
9.0
ns
1.0
11.0
FAST AND LS TTL DATA
4-266
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