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參數(shù)資料
| 型號： | MM74HC259SJ |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Zener Diode 225 mW 62 V ±5%SOT-23; Package: SOT-23 (TO-236) 3 LEAD; No of Pins: 3; Container: Tape and Reel; Qty per Container: 3000 |
| 中文描述： | HC/UH SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDSO16 |
| 封裝： | 5.30 MM, EIAJ TYPE2, SOP-16 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 76K |
| 代理商： | MM74HC259SJ |
September 1983
Revised February 1999
M
1999 Fairchild Semiconductor Corporation
DS005006.prf
www.fairchildsemi.com
MM74HC259
8-Bit Addressable Latch/3-to-8 Line Decoder
General Description
The MM74HC259 device utilizes advanced silicon-gate
CMOS technology to implement an 8-bit addressable latch,
designed for general purpose storage applications in digital
systems.
The MM74HC259 has a single data input (D), 8 latch out-
puts (Q1–Q8), 3 address inputs (A, B, and C), a common
enable input (G), and a common CLEAR input. To operate
this device as an addressable latch, data is held on the D
input, and the address of the latch into which the data is to
be entered is held on the A, B, and C inputs. When
ENABLE is taken LOW the data flows through to the
addressed output. The data is stored when ENABLE transi-
tions from LOW-to-HIGH. All unaddressed latches will
remain unaffected. With enable in the HIGH state the
device is deselected, and all latches remain in their previ-
ous state, unaffected by changes on the data or address
inputs. To eliminate the possibility of entering erroneous
data into the latches, the enable should be held HIGH
(inactive) while the address lines are changing.
If enable is held HIGH and CLEAR is taken LOW all eight
latches are cleared to a LOW state. If enable is LOW all
latches except the addressed latch will be cleared. The
addressed latch will instead follow the D input, effectively
implementing a 3-to-8 line decoder.
All inputs are protected from damage due to static dis-
charge by diodes to V
CC
and ground.
Features
I
Typical propagation delay: 18 ns
I
Wide supply range: 2–6V
I
Low input current: 1
μ
A maximum
I
Low quiescent current: 80
μ
A maximum (74HC Series)
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Pin Assignments for DIP, SOIC, SOP and TSSOP
Top View
Latch Selection Table
H
=
HIGH level, L
=
LOW level
D
=
the level at the data input
Q
i0
the level of Q
i
(i
=
0, 1...7, as appropriate)
before the indicated steady-state input
conditions were established.
Order Number
MM74HC259M
MM74HC259SJ
MM74HC259MTC
MM74HC259N
Package Number Package Description
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150” Narrow
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Select Inputs
Latch
C
B
A
Addressed
L
L
L
0
L
L
H
1
L
H
L
2
L
H
H
3
H
L
L
4
H
L
H
5
H
H
L
6
H
H
H
7
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PDF描述 |
|---|---|
| MM74HC273SJ | PAN-TY CABLE TIE |
| MM74HC273 | 225 W e-Rated Zener 6.2 V SOT-23; Package: SOT-23 (TO-236) 3 LEAD; No of Pins: 3; Container: Tape and Reel; Qty per Container: 3000 |
| MM74HC273M | 225 W e-Rated Zener 6.2 V SOT-23; Package: SOT-23 (TO-236) 3 LEAD; No of Pins: 3; Container: Tape and Reel; Qty per Container: 10000 |
| MM74HC273MTC | Octal D-Type Flip-Flops with Clear |
| MM74HC273N | Zener Diode 225 mW 6.2 V ±5%SOT-23; Package: SOT-23 (TO-236) 3 LEAD; No of Pins: 3; Container: Tape and Reel; Qty per Container: 3000 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM74HC259SJ_Q | 功能描述:閉鎖 8-Bit Latch/Decoder RoHS:否 制造商:Micrel 電路數(shù)量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數(shù)量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:12 V 電源電壓-最小:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-16 封裝:Reel |
| MM74HC259SJX | 功能描述:閉鎖 8Bit 3-to-8 Line Dec addressable Latch RoHS:否 制造商:Micrel 電路數(shù)量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數(shù)量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:12 V 電源電壓-最小:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-16 封裝:Reel |
| MM74HC27 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Triple 3-Input NOR Gate |
| MM74HC273 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal D-Type Flip-Flops with Clear |
| MM74HC273_05 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal D-Type Flip-Flops with Clear |
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