參數(shù)資料
型號(hào)： SN54LS641J
廠商： MOTOROLA INC
元件分類： 通用總線功能
英文描述： Octal D-Type Flip-Flop with 3-State Outputs; Package: SOEIAJ-20; No of Pins: 20; Container: Rail; Qty per Container: 40
中文描述： LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20
封裝： CERAMIC, DIP-20
文件頁數(shù)： 3/3頁
文件大?。?/td> 118K
代理商： SN54LS641J
5-3
FAST AND LS TTL DATA
SN54/74LS641
SN54/74LS642
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
VOH
IOL
Output Current — High
54, 74
5.5
V
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
VIK
IOH
Input Clamp Diode Voltage
–0.65
–1.5
V
VCC = MIN, IIN = –18 mA
VCC = MIN, VOH = MAX
Output HIGH Current
54, 74
100
μ
A
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
IIH
Input HIGH Current
20
μ
A
VCC = MAX, VIN = 2.7 V
VCC = MAX, VIN = 7.0 V
VCC = MAX, VIN = 0.4 V
–0.1
mA
IIL
Input LOW Current
–0.4
mA
ICC
Power Supply Current
Total, Output HIGH
70
mA
VCC = MAX
Total, Output LOW
90
Total at HIGH Z
95
AC CHARACTERISTICS
(TA = 25
°
C, VCC = 5.0 V)
Symbol
Parameter
Limits
Unit
Test Conditions
LS641
LS642
Min
Typ
Max
Min
Typ
Max
tPLH
tPHL
Propagation Delay,
A to B
17
16
25
25
19
14
25
25
ns
RL = 667
tPLH
tPHL
Propagation Delay,
B to A
17
16
25
25
19
14
25
25
ns
CL = 45 pF,
tPLH
tPHL
Propagation Delay,
G, DIR to A
23
34
40
50
26
43
40
60
ns
tPLH
tPHL
Propagation Delay,
G, DIR to B
25
37
40
50
28
39
40
60
ns
相關(guān)PDF資料
PDF描述
SN54LS642J Octal 3-State Inverting Transceiver; Package: SOEIAJ-20; No of Pins: 20; Container: Tape and Reel; Qty per Container: 2000
SN54LS645J OCTAL BUS TRANSCEIVERS
SN54LS74 Data Selector/Multiplexer 2-Input Q; Package: SOIC 16 LEAD; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500
SN54LS74A Data Selector/Multiplexer 2-Input Q; Package: TSSOP-16; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500
SN54LS74J 8-Bit Serial-Input/Parallel-Output Shift Register; Package: SOIC 14 LEAD; No of Pins: 14; Container: Rail; Qty per Container: 55
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