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MC74HCT373A

更新时间: 2024-11-20 23:01:35
品牌 Logo 应用领域
安森美 - ONSEMI 锁存器
页数 文件大小 规格书
8页 188K
描述
Octal 3-State Noninverting Transceiver Latch with LSTTL-Compatible Inputs

MC74HCT373A 数据手册

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High–Performance Silicon–Gate CMOS  
http://onsemi.com  
The MC74HCT373A may be used as a level converter for  
interfacing TTL or NMOS outputs to High–Speed CMOS inputs.  
The HCT373A is identical in pinout to the LS373.  
MARKING  
DIAGRAMS  
20  
The eight latches of the HCT373A are transparent D–type latches.  
While the Latch Enable is high the Q outputs follow the Data Inputs.  
When Latch Enable is taken low, data meeting the setup and hold  
times becomes latched.  
PDIP–20  
N SUFFIX  
CASE 738  
MC74HCT373AN  
AWLYYWW  
20  
1
The Output Enable does not affect the state of the latch, but when  
Output Enable is high, all outputs are forced to the high–impedance  
state. Thus, data may be latched even when the outputs are not  
enabled.  
The HCT373A is identical in function to the HCT573A, which has  
the input pins on the opposite side of the package from the output pins.  
This device is similar in function to the HCT533A, which has  
inverting outputs.  
1
20  
SOIC WIDE–20  
DW SUFFIX  
CASE 751D  
HCT373A  
AWLYYWW  
20  
1
1
20  
HCT  
373A  
ALYW  
TSSOP–20  
DT SUFFIX  
CASE 948G  
20  
1
Output Drive Capability: 15 LSTTL Loads  
TTL/NMOS–Compatible Input Levels  
Outputs Directly Interface to CMOS, NMOS, and TTL  
Operating Voltage Range: 4.5 to 5.5 V  
Low Input Current: 1.0 µA  
1
A
= Assembly Location  
WL = Wafer Lot  
YY = Year  
WW = Work Week  
In Compliance with the Requirements Defined by JEDEC Standard  
No. 7A  
PIN ASSIGNMENT  
Chip Complexity: 196 FETs or 49 Equivalent Gates  
ENABLE A  
A1  
1
2
3
4
5
6
7
8
9
20  
V
CC  
19 ENABLE B  
18 YA1  
17 B4  
YB4  
A2  
YB3  
A3  
16 YA2  
15 B3  
YB2  
A4  
14 YA3  
13 B2  
YB1  
12 YA4  
11 B1  
GND 10  
ORDERING INFORMATION  
Device  
Package  
PDIP–20  
Shipping  
MC74HCT373AN  
1440 / Box  
38 / Rail  
MC74HCT373ADW  
SOIC–WIDE  
MC74HCT373ADWR2 SOIC–WIDE 1000 / Reel  
MC74HCT373ADT  
TSSOP–20  
75 / Rail  
MC74HCT373ADTR2  
TSSOP–20 2500 / Reel  
Semiconductor Components Industries, LLC, 2000  
1
Publication Order Number:  
March, 2000 – Rev. 8  
MC74HCT373A/D  

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