参数资料
型号: MC74HCT273AN
厂商: ON Semiconductor
文件页数: 1/7页
文件大小: 0K
描述: IC FLIP FLOP OCT CLK/RST 20DIP
产品变化通告: Product Discontinuation 20/Aug/2008
标准包装: 18
系列: 74HCT
功能: 复位
类型: D 型总线
输出类型: 非反相
元件数: 1
每个元件的位元数: 8
频率 - 时钟: 30MHz
延迟时间 - 传输: 25ns
触发器类型: 正边沿
输出电流高,低: 4mA,4mA
电源电压: 4.5 V ~ 5.5 V
工作温度: -55°C ~ 125°C
安装类型: 通孔
封装/外壳: 20-DIP(0.300",7.62mm)
包装: 管件
其它名称: MC74HCT273ANOS
Semiconductor Components Industries, LLC, 2011
May, 2011 Rev. 11
1
Publication Order Number:
MC74HCT273A/D
MC74HCT273A
Octal D Flip-Flop with
Common Clock and Reset
with LSTTL-Compatible
Inputs
HighPerformance SiliconGate CMOS
The MC74HCT273A may be used as a level converter for
interfacing TTL or NMOS outputs to HighSpeed CMOS inputs.
The HCT273A is identical in pinout to the LS273.
This device consists of eight D flipflops with common Clock and
Reset inputs. Each flipflop is loaded with a lowtohigh transition of
the Clock input. Reset is asynchronous and active low.
Features
Output Drive Capability: 10 LSTTL Loads
TTL/NMOS Compatible Input Levels
Outputs Directly Interface to CMOS, NMOS and TTL
Operating Voltage Range: 4.5 V to 5.5 V
Low Input Current: 1.0 μA
In Compliance with the Requirements Defined by JEDEC Standard
No. 7 A
Chip Complexity: 284 FETs or 71 Equivalent Gates
These Devices are PbFree and are RoHS Compliant
Figure 1. Logic Diagram
DATA
INPUTS
D0
11
CLOCK
D1
D2
D3
D4
D5
D6
D7
18
17
14
13
8
7
4
3
1
RESET
19
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
16
15
12
9
6
5
2
PIN 20 = VCC
PIN 10 = GND
NONINVERTING
OUTPUTS
PIN ASSIGNMENT
Q2
D1
D0
Q0
RESET
GND
Q3
D3
D2
Q1
5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
11
12
13
Q6
D6
D7
Q7
VCC
CLOCK
Q4
D4
D5
Q5
http://onsemi.com
SOIC20W
DW SUFFIX
CASE 751D
TSSOP20
DT SUFFIX
CASE 948E
1
PDIP20
N SUFFIX
CASE 738
1
FUNCTION TABLE
Inputs
Output
Reset Clock
D
Q
LX
X
L
HH
H
HL
L
H
L
X
No Change
H
X
No Change
X = Don’t Care
Z = High Impedance
See detailed ordering, shipping information, and marking
information in the package dimensions section on page 5 of
this data sheet.
ORDERING INFORMATION
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