MC54F245 데이터 시트보기 (PDF) - Motorola => Freescale
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MC54F245 Datasheet PDF : 2 Pages
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MC54/74F245
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min Typ Max Unit
Test Conditions
VIH
VIL
VIK
VOH
Input HIGH Voltage
2.0
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH Voltage, An Outputs 54, 74 2.4
74
2.7
54, 74 2.4
VOH
Output HIGH Voltage, Bn Outputs
74
2.7
54
2.0
74
2.0
VOL
Output LOW Voltage, An Outputs
54
74
VOL
Output LOW Voltage, Bn Outputs
54
74
IOZH + IIH
IOZL + IIL
Output Off Current HIGH
Output Off Current LOW
OE, T/R Inputs
IIH
Input HIGH Current
OE, T/R Inputs
An, Bn Inputs
T/R Input
V Guaranteed Input HIGH Voltage
0.8
V Guaranteed Input LOW Voltage
–1.2
V
IIN = –18 mA
3.3
V
IOH = –3.0 mA
3.3
V
IOH = –3.0 mA
3.4
V
IOH = –3.0 mA
3.4
V
IOH = –3.0 mA
V
IOH = –12 mA
V
IOH = –15 mA
0.35 0.5
V
IOL = 20 mA
0.35 0.5
V
IOL = 24 mA
0.55
V
IOL = 48 mA
0.55
V
IOL = 64 mA
70
µA VOUT = 2.7 V
–650 mA VOUT = 0.5 V
20
µA VIN = 2.7 V
100
µA VIN = 7.0 V
1.0
mA VIN = 5.5 V
–0.8 mA
VCC = MIN
VCC = 4.50 V
VCC = 4.75 V
VCC = 4.50 V
VCC = 4.75 V
VCC = 4.50 V
VCC = MIN
VCC = MIN
VCC = MAX
VCC = MAX
VCC = MAX
IIL
Input LOW Current
OE Input
–1.2 mA VIN = 0.5 V
VCC = MAX
IOS
Output Short Circuit
An Outputs
–60
–150 mA VOUT = GND
VCC = MAX
Current (Note 2)
Bn Outputs
–100
–225 mA VOUT = GND
VCC = MAX
ICCH
Power Supply Current HIGH
90
mA VCC = MAX, Outputs HIGH
ICCL
Power Supply Current LOW
120 mA VCC = MAX, Outputs LOW
ICCZ
Power Supply Current OFF
110 mA VCC = MAX, Outputs OFF
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.
AC CHARACTERISTICS
Symbol
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Parameter
Propagation Delay
An to Bn or Bn to An
Output Enable Time
Output Disable Time
54/74F
54F
74F
TA = +25°C
TA = -55°C to +125°C
TA = 0°C to +70°C
VCC = +5.0 V
VCC = 5.0 V ± 10%
VCC = 5.0 V ± 10%
CL = 50 pF
CL = 50 pF
CL = 50 pF
Min
Max
Min
Max
Min
Max
Unit
2.5
6.0
2.5
8.0
2.5
7.0
ns
2.5
6.0
2.5
8.0
2.5
7.0
3.0
7.0
3.0
9.0
3.0
8.0
ns
3.5
8.0
3.5
10
3.5
9.0
2.5
6.5
2.5
8.5
2.5
7.5
ns
2.0
6.5
2.0
8.5
2.0
7.5
FAST AND LS TTL DATA
4-116
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