參數(shù)資料
型號(hào)： SN54LS256J
廠商： MOTOROLA INC
元件分類： 通用總線功能
英文描述： Octal Buffer/Line Driver, 3 State; Package: 20 LEAD PDIP; No of Pins: 20; Container: Rail; Qty per Container: 18
中文描述： LS SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, CDIP16
封裝： CERAMIC, DIP-16
文件頁數(shù)： 4/6頁
文件大?。?/td> 225K
代理商： SN54LS256J
5-424
FAST AND LS TTL DATA
SN54/74LS256
AC SET-UP REQUIREMENTS
(TA = 25
°
C)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
ts
ts
th
th
tW
Data Setup Time
20
ns
Figures 4 & 6
VCC = 5.0 V
Address Setup Time
0
ns
Data Hold Time
0
ns
Figure 4
Address Hold Time
15
ns
Figure 6
Enable Pulse Width
15
ns
Figure 1
Figure 1. Turn-on and Turn-off Delays, Enable To
Output and Enable Pulse Width
Figure 4. Setup and Hold Time, Data to Enable
Figure 2. Turn-on and Turn-off Delays,
Data to Output
Figure 3. Turn-on and Turn-off Delays,
Address to Output
Figure 5. Turn-on Delay, Clear to Output
Figure 6. Setup Time, Address to Enable
(See Notes 1 and 2)
NOTES:
1. The Address to Enable Setup Time is the time before the HIGH-to-LOW Enable transition that the Address must be stable so that the correct latch is
addressed and the other latches are not affected.
2. The shaded areas indicate when the inputs are permitted to change for predictable output performance.
AC WAVEFORMS
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN54LS257AJ 制造商:Motorola Inc 功能描述:LOGIC MUX, QUAD, 2-INPUT, LS-TTL, 16 Pin, Ceramic, DIP 制造商:Texas Instruments 功能描述:LOGIC MUX, QUAD, 2-INPUT, LS-TTL, 16 Pin, Ceramic, DIP
SN54LS257BJ 制造商:Texas Instruments 功能描述:Multiplexer 1-Element Bipolar 3-ST 8-IN 16-Pin CDIP Tube
SN54LS258BJ 制造商:Texas Instruments 功能描述:Multiplexer 1-Element Bipolar 3-ST 8-IN 16-Pin CDIP Tube
SN54LS259BW 制造商:Texas Instruments 功能描述:
SN54LS266J 制造商:Texas Instruments 功能描述:XNOR Gate 4-Element 2-IN Bipolar 14-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:XNOR GATE 4-ELEM 2-IN BIPOLAR 14CDIP - Rail/Tube
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