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參數(shù)資料
| 型號： | SN74LS259N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-BIT ADDRESSABLE LATCH |
| 中文描述： | LS SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 217K |
| 代理商： | SN74LS259N |
5-435
FAST AND LS TTL DATA
SN54/74LS259
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
36
mA
AC CHARACTERISTICS
(TA = 25
°
C, VCC = 5.0 V)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
tPLH
tPHL
Turn-Off Delay, Enable to Output
Turn-On Delay, Enable to Output
22
15
35
24
ns
ns
CL = 15 pF
tPLH
tPHL
Turn-Off Delay, Data to Output
Turn-On Delay, Data to Output
20
13
32
21
ns
ns
tPLH
tPHL
Turn-Off Delay, Address to Output
Turn-On Delay, Address to Output
24
18
38
29
ns
ns
tPHL
Turn-On Delay, Clear to Output
17
27
ns
AC SET-UP REQUIREMENTS
(TA = 25
°
C, VCC = 5.0 V)
Symbol
Parameter
Limits
Unit
Min
Typ
Max
ts
tW
th
th
Input Setup Time
20
ns
Pulse Width, Clear or Enable
15
ns
Hold Time, Data
5.0
ns
Hold Time, Address
20
ns
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PDF描述 |
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| SN54LS279 | 8-Bit Addressable Latch; Package: SOEIAJ-16; No of Pins: 16; Container: Rail; Qty per Container: 50 |
| SN74LS279D | QUAD SET-RESET LATCH |
| 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 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SN74LS259ND | 制造商:TI 功能描述:74LS259 S10L1B |
| SN74LS2600D | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS260N | 制造商:Motorola 功能描述:74LS260 MOT'93 |
| SN74LS261D | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS266D | 功能描述:邏輯門 Quad 2 Input RoHS:否 制造商:Texas Instruments 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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