參數(shù)資料
型號(hào)： MM74C923N
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 算術(shù)邏輯單元
英文描述： CMOS SERIES, 9-BIT ENCODER, PDIP20
封裝： PLASTIC, DIP-20
文件頁數(shù)： 6/13頁
文件大?。?/td> 259K
代理商： MM74C923N
Absolute Maximum Ratings (Note 1)
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Voltage at Any Pin
VCC b 03V to VCC a 03V
Operating Temperature Range
MM54C922 MM54C923
b
55 Cto a125 C
MM74C922 MM74C923
b
40 Cto a85 C
Storage Temperature Range
b
65 Cto a150 C
Power Dissipation (PD)
Dual-In-Line
700 mW
Small Outline
500 mW
Operating VCC Range
3V to 15V
VCC
18V
Lead Temperature
(Soldering 10 seconds)
260 C
DC Electrical Characteristics MinMax limits apply across temperature range unless otherwise specified
Symbol
Parameter
Conditions
Min
Typ
Max
Units
CMOS TO CMOS
VTa
Positive-Going Threshold Voltage
VCC e 5V IIN t 07 mA
30
36
43
V
at Osc and KBM Inputs
VCC e 10V IIN t 14 mA
60
68
86
V
VCC e 15V IIN t 21 mA
90
10
129
V
VTb
Negative-Going Threshold Voltage
VCC e 5V IIN t 07 mA
07
14
20
V
at Osc and KBM Inputs
VCC e 10V IIN t 14 mA
14
32
40
V
VCC e 15V IIN t 21 mA
21
5
60
V
VIN(1)
Logical ‘‘1’’ Input Voltage
VCC e 5V
35
45
V
Except Osc and KBM Inputs
VCC e 10V
80
9
V
VCC e 15V
125
135
V
VIN(0)
Logical ‘‘0’’ Input Voltage
VCC e 5V
05
15
V
Except Osc and KBM Inputs
VCC e 10V
1
2
V
VCC e 15V
15
25
V
Irp
Row Pull-Up Current at Y1 Y2
VCC e 5V VIN e 01 VCC
b
2
b
5
m
A
Y3 Y4 and Y5 Inputs
VCC e 10V
b
10
b
20
m
A
VCC e 15V
b
22
b
45
m
A
VOUT(1)
Logical ‘‘1’’ Output Voltage
VCC e 5V IO eb10 mA
45
V
VCC e 10V IO eb10 mA9
V
VCC e 15V IO eb10 mA
135
V
VOUT(0)
Logical ‘‘0’’ Output Voltage
VCC e 5V IO e 10 mA
05
V
VCC e 10V IO e 10 mA1
V
VCC e 15V IO e 10 mA
15
V
Ron
Column ‘‘ON’’ Resistance at
VCC e 5V VO e 05V
500
1400
X
X1 X2 X3 and X4 Outputs
VCC e 10V VO e 1V
300
700
X
VCC e 15V VO e 15V
200
500
X
ICC
Supply Current
VCC e 5V
055
11
mA
Osc at 0V (one Y low)
VCC e 10V
11
19
mA
VCC e 15V
17
26
mA
IIN(1)
Logical ‘‘1’’ Input Current
VCC e 15V VIN e 15V
0005
10
m
A
at Output Enable
IIN(0)
Logical ‘‘0’’ Input Current
VCC e 15V VIN e 0V
b
10
b
0005
m
A
at Output Enable
CMOSLPTTL INTERFACE
VIN(1)
Logical ‘‘1’’ Input Voltage
54C VCC e 45V
VCC b 15
V
Except Osc and KBM Inputs
74C VCC e 475V
VCC b 15
V
VIN(0)
Logical ‘‘0’’ Input Voltage
54C VCC e 45V
08
V
Except Osc and KBM Inputs
74C VCC e 475V
08
V
VOUT(1)
Logical ‘‘1’’ Output Voltage
54C VCC e 45V
24
V
IO eb360 mA
74C VCC e 475V
24
V
IO eb360 mA
VOUT(0)
Logical ‘‘0’’ Output Voltage
54C VCC e 45V
04
V
IO eb360 mA
74C VCC e 475V
04
V
IO eb360 mA
Note 1
‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed Except for ‘‘Operating Temperature Range’’
they are not meant to imply that the devices should be operated at these limits The table of ‘‘Electrical Characteristics’’ provides conditions for actual device
operation
2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MM74C923N 制造商:Fairchild Semiconductor Corporation 功能描述:IC 74C CMOS 74C923 DIP20 15V
MM74C923N_Q 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 20-Key Encoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
MM74C923WM 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 20-Key Encoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
MM74C923WM 制造商:Fairchild Semiconductor Corporation 功能描述:KEYBOARD ENCODER LOGIC IC
MM74C923WM_Q 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 20-Key Encoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
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