参数资料
型号: MC74ACT259N
厂商: ON Semiconductor
文件页数: 1/11页
文件大小: 0K
描述: IC LATCH ADDRESS 8BIT 16-DIP
标准包装: 25
系列: 74ACT
逻辑类型: D 型,可寻址
电路: 1:8
输出类型: 标准
电源电压: 4.5 V ~ 5.5 V
独立电路: 1
延迟时间 - 传输: 6.5ns
输出电流高,低: 24mA,24mA
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-DIP
包装: 管件
Semiconductor Components Industries, LLC, 2005
November, 2005 Rev. 6
1
Publication Order Number:
MC74AC259/D
MC74AC259, MC74ACT259
8Bit Addressable Latch
The MC74AC259/74ACT259 is a highspeed 8bit addressable
latch designed for general purpose storage applications in digital
systems. It is a multifunctional device capable of storing single line
data in eight addressable latches, and also a 1of8 decoder and
demultiplexer with active HIGH outputs. The device also incorporates
an active LOW Common Clear for resetting all latches, as well as an
active LOW Enable. It is functionally identical to the ALS259 8bit
addressable latch.
SerialtoParallel Conversion
Eight Bits of Storage with Output of Each Bit Available
Random (Addressable) Data Entry
Active High Demultiplexing or Decoding Capability
Easily Expandable
Common Clear
PbFree Packages are Available
15
16
14
13
12
11
10
2
1
3
4
567
VCC
9
8
MR
E
DQ7
Q6
Q5
Q4
A0
A1
A2
Q0
Q1
Q2
Q3 GND
Figure 1. Pinout: 16Lead Packages Conductors
(Top View)
A0
A1
A2
ED
MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
Figure 2. Logic Symbol
MODE SELECT TABLE
E
MR
Mode
L
H
Addressable Latch
H
Memory
L
Active HIGH 8Channel Demultiplexer
H
L
Clear
H = HIGH Voltage Level
L = LOW Voltage Level
PDIP16
N SUFFIX
CASE 648
1
16
SOIC16
D SUFFIX
CASE 751B
1
16
See general marking information in the device marking
section on page 9 of this data sheet.
DEVICE MARKING INFORMATION
1
16
SOEIAJ16
M, MEL SUFFIX
CASE 966
http://onsemi.com
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
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