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參數(shù)資料
| 型號： | SN74LS279D |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | QUAD SET-RESET LATCH |
| 中文描述： | LS SERIES, QUAD LOW LEVEL TRIGGERED R-S LATCH, TRUE OUTPUT, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 130K |
| 代理商： | SN74LS279D |
5-453
FAST AND LS TTL DATA
SN54/74LS279
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
54
2.5
3.5
V
or VIL per Truth Table
74
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
VOL
Output LOW Voltage
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
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
VCC = MAX
VCC = MAX
0.1
mA
IIL
IOS
ICC
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
Input LOW Current
–0.4
mA
Short Circuit Current (Note 1)
–20
–100
mA
Power Supply Current
7.0
mA
AC CHARACTERISTICS
(TA = 25
°
C)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
tPLH
tPHL
Propagation Delay, S to Output
22
*
21*
ns
VCC = 5.0 V
CL = 15 pF
tPHL
* Add 0.6 ns to spec limit for each 1.0 ns input rise time less than 15 ns.
Propagation Delay, R to Output
27
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN74LS279N | QUAD SET-RESET LATCH |
| SN54LS279J | Octal D-Type Flip-Flop; Package: SOIC-20 WB; No of Pins: 20; Container: Rail; Qty per Container: 38 |
| SN54LS283 | Quad 2-Input OR Gate; Package: SOEIAJ-14; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2000 |
| SN54LS283J | Quad 2-Input OR Gate; Package: PDIP-14; No of Pins: 14; Container: Rail; Qty per Container: 500 |
| SN74LS283D | 4-BIT BINARY FULL ADDER WITH FAST CARRY |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74LS279DR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS279M | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS279N | 制造商:ON Semiconductor 功能描述:Latch Transparent 4-CH SR-Type 16-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS279ND | 制造商:Motorola Inc 功能描述: |
| SN74LS27D | 功能描述:邏輯門 Triple 3-input Positive-NOR gates 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 |
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