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參數(shù)資料
| 型號(hào)： | SN54LS623 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Octal Buffer/Line Driver with 3-State Outputs; Package: TSSOP 20 LEAD; No of Pins: 20; Container: Tape and Reel; Qty per Container: 2500 |
| 中文描述： | 八路總線收發(fā)器具有三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 2/3頁(yè) |
| 文件大?。?/td> | 70K |
| 代理商： | SN54LS623 |
5-2
FAST AND LS TTL DATA
SN54/74LS623
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
–55
0
25
25
125
70
°
C
IOH
Output Current — High
54, 74
–3.0
mA
54
74
–12
–15
mA
IOL
Output Current — Low
54
74
12
24
mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
54
0.5
V
Guaranteed Input LOW Voltage for
All Inputs
74
0.6
VT+–VT–
VIK
Hysteresis
0.2
0.4
V
VCC = MIN
VCC = MIN, IIN = –18 mA
VCC = MIN, IOH =
±
3.0 mA
VCC = MIN, IOH = MAX
Input Clamp Diode Voltage
–0.65
–1.5
V
VOH
Output HIGH Voltage
54, 74
2.4
3.4
V
54, 74
2.0
V
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 12 mA
VCC = VCC MIN,
per Truth Table
74
0.35
0.5
V
IOL = 24 mA
VIN = VIL or VIH
IOZH
IOZL
Output Off Current HIGH
20
μ
A
VCC = MAX, VOUT = 2.7 V
VCC = MAX, VOUT = 4.0 V
Output Off Current LOW
–400
μ
A
IIH
Input HIGH Current
A, or B, GBA or
GAB
20
μ
A
VCC = MAX, VIN = 2.7 V
GAB or GAB
0.1
mA
VCC = MAX, VIN = 7.0 V
VCC = MAX, VIN = 5.5 V
VCC = MAX, VIN = 0.4 V
VCC = MAX
A or B
0.1
mA
IIL
IOS
Input LOW Current
–0.4
mA
Short Circuit Current (Note 1)
–40
–225
mA
ICC
Power Supply Current
Total Output HIGH
70
mA
VCC = MAX
Total Output LOW
90
Total at HIGH Z
95
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
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