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參數(shù)資料
| 型號(hào)： | M54HC251 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 8 Bit SIPO Shift Register(8位串入并出移位寄存器) |
| 中文描述： | 8位國(guó)家知識(shí)產(chǎn)權(quán)局移位寄存器（8位串入并出移位寄存器） |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 249K |
| 代理商： | M54HC251 |
M54HC251
M74HC251
February 1993
8 BIT SIPO SHIFT REGISTER
B1R
(Plastic Package)
ORDER CODES :
M54HC251F1R
M74HC251B1R
M74HC251M1R
M74HC251C1R
F1R
(CeramicPackage)
M1R
(MicroPackage)
C1R
(Chip Carrier)
PIN CONNECTIONS
(top view)
NC =
No Internal
Connection
.
HIGH SPEED
t
PD
= 14 ns(TYP.) AT V
CC
= 5 V
.
LOWPOWER DISSIPATION
I
CC
= 4
μ
A(MAX.) AT T
A
= 25
°
C 6 V
.
HIGH NOISE IMMUNITY
V
NIH
= V
NIL
= 28 % V
CC
(MIN.)
.
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
.
SYMMETRICAL OUTPUT IMPEDANCE
IOH
= I
OL
= 4 mA(MIN.)
.
BALANCEDPROPAGATION DELAYS
t
PLH
= t
PHL
.
WIDE OPERATING VOLTAGE RANGE
V
CC
(OPR) = 2 V TO6 V
.
PIN AND FUNCTION COMPATIBLE WITH
54/74LS251
DESCRIPTION
TheM54/74HC251isahighspeed CMOS8-CHAN-
NELMULTIPLEXER(3-STATE)fabricated insilicon
gate C
2
MOS technology. It has the same high
speed performance of LSTTL combined with true
CMOS low power consumption. This multiplexer
features both true (Y) and complement (W) outputs
as well as STROBE input. The STROBE must be a
low logic level to enable this device. When the
STROBEinput is high, both outputs are in the high
impedance state. When enabled, address informa-
tiononthedata selectinputs determines whichdata
input is routed to Y and W. All inputs are equipped
with protection circuits against static discharge and
transient excess voltage.
INPUT AND OUTPUT EQUIVALENT CIRCUIT
1/11
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M54HC251_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RAD-HARD 8-CHANNEL MULTIPLEXER (3-STATE) |
| M54HC251D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RAD-HARD 8-CHANNEL MULTIPLEXER (3-STATE) |
| M54HC251D1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RAD-HARD 8-CHANNEL MULTIPLEXER (3-STATE) |
| M54HC251F1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 BIT SIPO SHIFT REGISTER |
| M54HC251K | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RAD-HARD 8-CHANNEL MULTIPLEXER (3-STATE) |
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