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參數資料
| 型號： | MC74F259N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Processor Supervisory Circuits 5-SOT-23 -40 to 85 |
| 中文描述： | F/FAST SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數： | 4/5頁 |
| 文件大小： | 118K |
| 代理商： | MC74F259N |
4-136
FAST AND LS TTL DATA
MC54/74F259
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
VIH
VIL
VIK
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage
Input Clamp Diode Voltage
–1.2
V
VCC = MIN, IIN = –18 mA
IOL = –1.0 mA
IOL = –1.0 mA
IOL = 20 mA
VCC = MAX, VIN = 2.7 V
VCC = MAX,VIN = 7.0 V
VCC = MAX, VIN = 0.5 V
VOH
Output HIGH Voltage
54, 74
2.5
V
VCC = MIN
VCC = 4.75 V
VCC = MIN
74
2.7
V
VOL
Output LOW Voltage
0.5
V
IIH
Input HIGH Current
20
μ
A
0.1
mA
IIL
Input LOW Current
–0.6
mA
IOS
Output Short Circuit Current
(Note 2)
–60
–150
mA
VCC = MAX, VOUT = 0 V
ICC
Power Supply Current
Total, Output LOW
46
mA
VCC = MAX
Total, Output HIGH
75
mA
VCC = MAX
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 then one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
Symbol
Parameter
54/74F
54F
74F
Unit
CL = 50 pF
CL = 50 pF
CL = 50 pF
TA = +25
°
C
VCC = +5.0 V
TA = –55 to + 125
°
C
VCC = 5.0 V
±
10%
TA = 0 to + 70
°
C
VCC = 5.0 V
±
10%
Min
Max
Min
Max
Min
Max
tPLH
tPHL
Propagation Delay
E to Qn
4.0
3.0
10.5
7.0
4.0
3.0
13
8.5
4.0
3.0
12
7.0
ns
tPHL
Propagation Delay
Dn to Qn
3.5
3.0
9.0
6.5
3.5
2.5
11.5
8.5
3.5
2.5
10
7.0
ns
tPLH
tPHL
Propagation Delay
An to Qn
3.5
4.0
13
9.0
3.5
4.0
15.5
11
3.5
4.0
14.5
9.5
ns
tPLH
tPHL
Propagation Delay
MR to Qn
5.0
9.0
4.5
11.5
4.5
10
ns
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