參數(shù)資料
型號: SN74LS348D
廠商: MOTOROLA INC
元件分類: 通用總線功能
英文描述: 8-INPUT PRIORITY ENCODERS WITH 3-STATE OUTPUTS
中文描述: LS SERIES, 8-BIT ENCODER, PDSO16
封裝: SOIC-16
文件頁數(shù): 3/6頁
文件大?。?/td> 216K
代理商: SN74LS348D
5-501
FAST AND LS TTL DATA
SN54/74LS348
SN54/74LS848
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
0.7
V
Guaranteed Input LOW Voltage for
All Inputs
74
0.8
VIK
Input Clamp Diode Voltage
–0.65
–1.5
V
VCC = MIN, IIN = –18 mA
VOH
Output HIGH Voltage
A0, A1, A2
54, 74
2.4
3.1
V
or VIL per Truth Table
EO, GS
54
2.5
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
EO, GS
74
2.7
3.5
V
VOL
Output LOW Voltage
EO, GS
54, 74
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
per Truth Table
74
0.35
0.5
V
IOL = 8.0 mA
VIN = VIL or VIH
VOL
Output LOW Voltage
A0, A1, A2
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 = 0.4 V
Output Off Current LOW
–20
μ
A
IIH
Input HIGH Current
Input 0, EI — LS348
20
μ
A
VCC = MAX, VIN = 2.7 V
Input 0 — LS848
40
μ
A
Other — LS348
Other — LS848
40
60
μ
A
μ
A
Input HIGH Current
Input 0, EI — LS348
0.1
mA
VCC = MAX, VIN = 7.0 V
Input 0 — LS848
0.2
mA
Other — LS348
Other — LS848
0.2
0.3
mA
mA
IIL
Input LOW Current
Input 0, EI — LS348
–0.4
mA
VCC = MAX, VIN = 0.4 V
Input 0 — LS848
–0.8
mA
Other — LS348
Other — LS848
–0.8
–1.2
mA
mA
IOS
Short Circuit Current (Note 1)
EO, GS
A0, A1, A2
–20
–120
mA
VCC = MAX
–30
–130
mA
ICC
Power Supply Current
Total, Output HIGH
12
23
mA
VCC = MAX
All Inputs and Outputs Open
Total, Output LOW
13
25
VCC = MAX, Inputs 7, EI = GND
All Others Open
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
相關(guān)PDF資料
PDF描述
SN54LS848J Quad D-type Flip-Flop with Common Clock and Reset; Package: SOIC 16 LEAD; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500
SN74LS848D Sensitive Gate Silicon Controlled Rectifier; Package: TO-92 (TO-226) 5.33mm Body Height; No of Pins: 3; Container: Tape and Ammunition Box; Qty per Container: 2000
SN74LS848N Sensitive Gate Silicon Controlled Rectifier; Package: TO-92 (TO-226) 5.33mm Body Height; No of Pins: 3; Container: Bulk; Qty per Container: 5000
SN74LS348N 8-INPUT PRIORITY ENCODERS WITH 3-STATE OUTPUTS
SN74LS353D DUAL 4-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74LS348DE4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8-Line To 3-Line Priority 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
SN74LS348DG4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8Line To 3 Line Priority 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
SN74LS348DR 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8-Line To 3-Line Priority 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
SN74LS348DRE4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8-Line To 3-Line Priority 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
SN74LS348DRG4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8Line To 3 Line Priority 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