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MM74HC373_05 PDF预览

MM74HC373_05

更新时间: 2024-11-25 05:08:31
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 锁存器
页数 文件大小 规格书
8页 102K
描述
3-STATE Octal D-Type Latch

MM74HC373_05 数据手册

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September 1983  
Revised May 2005  
MM74HC373  
3-STATE Octal D-Type Latch  
General Description  
Features  
The MM74HC373 high speed octal D-type latches utilize  
advanced silicon-gate CMOS technology. They possess  
the high noise immunity and low power consumption of  
standard CMOS integrated circuits, as well as the ability to  
drive 15 LS-TTL loads. Due to the large output drive capa-  
bility and the 3-STATE feature, these devices are ideally  
suited for interfacing with bus lines in a bus organized sys-  
tem.  
Typical propagation delay: 18 ns  
Wide operating voltage range: 2 to 6 volts  
Low input current: 1 A maximum  
Low quiescent current: 80 A maximum (74 Series)  
Output drive capability: 15 LS-TTL loads  
When the LATCH ENABLE input is HIGH, the Q outputs  
will follow the D inputs. When the LATCH ENABLE goes  
LOW, data at the D inputs will be retained at the outputs  
until LATCH ENABLE returns HIGH again. When a high  
logic level is applied to the OUTPUT CONTROL input, all  
outputs go to a high impedance state, regardless of what  
signals are present at the other inputs and the state of the  
storage elements.  
The 74HC logic family is speed, function, and pin-out com-  
patible with the standard 74LS logic family. All inputs are  
protected from damage due to static discharge by internal  
diode clamps to VCC and ground.  
Ordering Code:  
Order Number Package Number  
Package Description  
MM74HC373WM  
MM74HC373SJ  
MM74HC373MTC  
MM74HC373N  
M20B  
M20D  
MTC20  
N20A  
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide  
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide  
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.  
Connection Diagram  
Truth Table  
Output  
Latch  
Data  
373  
Pin Assignments for DIP, SOIC, SOP and TSSOP  
Control  
Enable  
Output  
L
L
H
H
L
H
L
H
L
L
X
X
Q0  
Z
H
X
H
L
HIGH Level  
LOW Level  
Q
Level of output before steady-state input conditions were established.  
0
Z
High Impedance  
Top View  
© 2005 Fairchild Semiconductor Corporation  
DS005335  
www.fairchildsemi.com  

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