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參數資料
| 型號： | MC74F253D |
| 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, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁數： | 3/3頁 |
| 文件大小： | 65K |
| 代理商： | MC74F253D |
4-122
FAST AND LS TTL DATA
MC54/74F253
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
V
Guaranteed Input HIGH Voltage
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage
Input Clamp Diode Voltage
–1.2
V
IIN = –18 mA
IOH = –3.0 mA
IOH = –3.0 mA
IOL = 24 mA
VOUT = 2.7 V
VOUT = 0.5 V
VIN = 2.7 V
VIN = 7.0 V
VIN = 0.5 V
VOUT = 0 V
VCC = MIN
VCC = 4.50 V
VCC = 4.75 V
VCC = MIN
VCC = MAX
VCC = MAX
VCC = MAX
Output HIGH Voltage
54, 74
2.4
V
74
2.7
V
VOL
IOZH
IOZL
IIH
Output LOW Voltage
0.5
V
Output Off Current — HIGH
50
μ
A
Output Off Current — LOW
–50
μ
A
Input HIGH Current
20
μ
A
100
μ
A
IIL
IOS
Input LOW Current
–0.6
mA
VCC = MAX
VCC = MAX
Output Short Circuit
Current (Note 2)
–60
–150
mA
Power Supply Current
OEn = GND
IO = 4.5 V; Sn, I1 – I3 = GND
In, Sn, OEn = GND
VCC = MAX
Total, Output HIGH
16
ICC
Total, Output LOW
23
mA
Total at HIGH-Z
23
OEn = 4.5 V, VCC = MAX
In, Sn = GND
AC CHARACTERISTICS
54/74F
54F
74F
TA = +25
°
C
VCC = +5.0 V
CL = 50 pF
Min
TA = -55
°
C to +125
°
C
VCC = 5.0 V
±
10%
CL = 50 pF
Min
TA = 0
°
C to +70
°
C
VCC = 5.0 V
±
10%
CL = 50 pF
Min
Symbol
Parameter
Max
Max
Max
Unit
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation Delay
4.5
11.5
3.5
15
4.5
13.5
ns
Sn to Zn
Propagation Delay
3.0
9.0
2.5
11
3.0
10
3.0
7.0
2.5
9.0
3.0
8.0
ns
In to Zn
Output Enable Time
2.5
6.0
2.5
8.0
2.5
7.0
3.0
8.0
2.5
10
3.0
9.0
ns
3.0
8.0
2.5
10
3.0
9.0
Output Disable Time
2.0
5.0
2.0
6.5
2.0
6.0
ns
2.0
6.0
2.0
8.0
2.0
7.0
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