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參數(shù)資料
| 型號： | M54HCT564 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Octal D Type Trigger With 3-State Output(八D觸發(fā)器(三態(tài)輸出)) |
| 中文描述： | 八路D型觸發(fā)器具有三態(tài)輸出（八?觸發(fā)器（三態(tài)輸出）） |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 267K |
| 代理商： | M54HCT564 |
M54/74HCT564
M54/74HCT574
September 1993
HCT564 INVERTING - HCT574 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 54/74LS564/574
OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT
B1R
(Plastic Package)
ORDER CODES :
M54HCTXXXF1R
M74HCTXXXB1R
M74HCTXXXM1R
M74HCTXXXC1R
F1R
(CeramicPackage)
M1R
(MicroPackage)
C1R
(Chip Carrier)
PIN CONNECTION
(top view)
.
HIGH SPEED
f
MAX
= 62 MHz (TYP.) AT V
CC
= 5 V
DESCRIPTION
The M54/74HCT564 and M54HCT574 are high
speed CMOSOCTALD-TYPE FLIPFLOPWITH 3-
STATEOUTPUTSfabricatedin silicongate C
2
MOS
technology. They have the same high speed per-
formance of LSTTL combined with true CMOS low
power comsuption. These 8-bit D-type flip-flops are
controlled by aclockinput(CK) and anouputenable
input(OE).On thepositivetransition oftheclock,the
Qoutputswillbesettothelogicstatethatweresetup
at the D inputs (HCT574) or their complements
(HCT564).
While the OE input is low, the eight outputs will be
in a normal logic state (high or low logic level), and
while high level, the outputs will be in a high imped-
ance state.Theoutput controldoes notaffectthe in-
ternaloperation offlip-flops.That is,theolddatacan
be retained or the new data can be entered even
while the outputs are off. The application engineer
has a choice of combination of inverting andnon-in-
verting outputs. The 3-state output configuration
and thewide choice of outline make bus-organized
systemssimple.Allinputs are equipped withprotec-
tion circuits against static discharge and transient
excessvoltage. Thisintegrated circuithas inputand
output characteristics that are fully compatible with
54/74 LSTTL logic families. M54/74HCT devices
are designed to directly interface HSC
2
MOS sys-
tems with TTL and NMOS components. They are
also plug in replacements for LSTTL devices giving
a reduction of power consumption.
HCT564
HCT574
HCT564
HCT574
1/13
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