參數(shù)資料
型號(hào): SN74LS490N
廠商: MOTOROLA INC
元件分類(lèi): 通用總線功能
英文描述: 1A, 5V,±4% Tolerance, Negative Voltage Regulator, Ta = 0°C to +125&x0176;C; Package: TO-220, SINGLE GAUGE; No of Pins: 3; Container: Rail; Qty per Container: 50
中文描述: LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDIP16
封裝: PLASTIC, DIP-16
文件頁(yè)數(shù): 3/5頁(yè)
文件大?。?/td> 161K
代理商: SN74LS490N
5-565
FAST AND LS TTL DATA
SN54/74LS490
AC CHARACTERISTICS
(TA = 25
°
C)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
fMAX
tPLH
tPHL
Maximum Clock Frequency
25
35
MHz
Figure 1
CL = 15 pF
Propagation Delay, CP to Q0
12
13
20
20
ns
Figure 1
VCC = 5.0 V,
tPLH
tPHL
Propagation Delay, CP to Q1 or Q3
24
26
39
39
ns
Figure 3
tPLH
tPHL
Propagation Delay, CP to Q2
32
36
54
54
ns
Figure 2
tPHL
tPLH
tPHL
Propagation Delay, MR to Output
24
39
ns
Figure 2
Propagation Delay, MS to Output
24
20
39
36
ns
Figure 2
AC WAVEFORMS
Figure 1
Figure 2
Figure 3
*The number of Clock Pulses required between the tPHL and tPLH measurements can be determined from the Truth Table.
相關(guān)PDF資料
PDF描述
SN74LS51D 1A, 8V,±2% Tolerance, Negative Voltage Regulator, Ta = 0°C to +125°C; Package: TO-220, SINGLE GAUGE; No of Pins: 3; Container: Rail; Qty per Container: 50
SN74LS51N 1A, 8V,±4% Tolerance, Negative Voltage Regulator, Ta = 0°C to +125°C; Package: 3 LEAD D2PAK; No of Pins: 3; Container: Tape and Reel; Qty per Container: 800
SN74LS54D 1A, 15V,±4% Tolerance, Negative Voltage Regulator, Ta = 0°C to +125°C; Package: 3 LEAD D2PAK; No of Pins: 3; Container: Tape and Reel; Qty per Container: 800
SN74LS54N 1A, 15V,±4% Tolerance, Negative Voltage Regulator, Ta = 0°C to +125°C; Package: TO-220, SINGLE GAUGE; No of Pins: 3; Container: Rail; Qty per Container: 50
SN74LS55D 1A, 15V,±4% Tolerance, Negative Voltage Regulator, Ta = 0°C to +125°C; Package: TO-220, SINGLE GAUGE; No of Pins: 3; Container: Rail; Qty per Container: 50
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74LS4N 制造商:Motorola Inc 功能描述:
SN74LS508N 制造商:Texas Instruments 功能描述:
SN74LS51D 功能描述:邏輯門(mén) AND-OR-Invert Gate RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量(輸入/輸出):2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時(shí)間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel
SN74LS51DE4 功能描述:邏輯門(mén) AND-OR-Invert Gate RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量(輸入/輸出):2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時(shí)間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel
SN74LS51DG4 功能描述:邏輯門(mén) 2W 2Inpt 2W 3Inpt AND OR Invert Gate RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量(輸入/輸出):2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時(shí)間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel