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參數(shù)資料
| 型號(hào)： | M54HCT573 |
| 廠(chǎng)商： | 意法半導(dǎo)體 |
| 英文描述： | Octal D Type Latch With 3-State Output(八D鎖存器(三態(tài)輸出)) |
| 中文描述： | 八路D型鎖存器具有三態(tài)輸出（八?鎖存器（三態(tài)輸出）） |
| 文件頁(yè)數(shù)： | 1/13頁(yè) |
| 文件大小： | 268K |
| 代理商： | M54HCT573 |
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M54/74HCT563
M54/74HCT573
October 1993
HCT563 INVERTING - HCT573 NON INVERTING
LOWPOWER DISSIPATION
I
CC
= 4
μ
A(MAX.) AT T
A
= 25
°
C
.
COMPATIBLE WITHTTL OUTPUTS
V
IH
= 2V (MIN.) V
IL
= 0.8V (MAX.)
.
OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
.
SYMMETRICAL OUTPUT IMPEDANCE
I
OL
=
I
OH
= 6 mA (MIN.)
.
BALANCEDPROPAGATION DELAYS
t
PLH
= t
PHL
.
PIN ANDFUNCTION COMPATIBLE
WITH 54/74LS563/573
OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT
B1R
(Plastic Package)
ORDER CODES :
M54HCTXXXF1R
M74HCTXXXB1R
M74HCTXXXM1R
M74HCTXXXC1R
F1R
(CeramicPackage)
M1R
(MicroPackage)
C1R
(Chip Carrier)
PIN CONNECTION
(top view)
HCT563
.
HIGH SPEED
t
PD
= 18 ns(TYP.) AT V
CC
= 5 V
DESCRIPTION
The M54/74HCT563 and M54HCT573 are high
speed CMOS OCTAL LATCH WITH 3-STATE
OUTPUTS fabricated with silicon gate C
2
MOS
technology.
These ICs achive the high speed operation similar
to equivalent LSTTL while maintaining the CMOS
low power dissipation.
These 8 bit D-Type latches are controlled by a latch
enable input (LE) and a output enable input (OE).
While the LE input is held at a high level, the Q
outputs will follow the data input precisely or
inversely. When the LE is taken low, the Q outputs
willbelatchedprecisely orinversely atthelogiclevel
of D input data. While the OE input is at low level,
the eightoutputs willbe ina normal logic state (high
or low logiclevel) and while high level theoutpts will
be in a high impedance state.
The
application
designer
combination of inverting and non inverting outputs.
This integrated circuit has input and output
characteristics that are fully compatible with 54/74
LSTTL logic families. M54/74HCT devices are
designed to directly interface HSC
2
MOS systems
with TTL and NMOS components. They are also
plug in replacements for LSTTL devices giving a
reduction of power consumption.
All inputs are equipped with protection circuits
against discharge and transient excess voltage.
has
a
choise
of
HCT573
HCT563
HCT573
1/13
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