Instrukcja obsล‚ugi Texas Instruments SN74HC161D


Przeczytaj poniลผej ๐Ÿ“– instrukcjฤ™ obsล‚ugi w jฤ™zyku polskim dla Texas Instruments SN74HC161D (33 stron) w kategorii Niesklasyfikowane. Ta instrukcja byล‚a pomocna dla 20 osรณb i zostaล‚a oceniona przez 10.5 uลผytkownikรณw na ล›rednio 4.7 gwiazdek

Strona 1/33
๎˜๎˜‚๎˜ƒ๎˜„๎˜…๎˜†๎˜‡๎˜ˆ๎˜‡๎˜‰ ๎˜๎˜‚๎˜Š๎˜„๎˜…๎˜†๎˜‡๎˜ˆ๎˜‡
๎˜„๎˜‹๎˜Œ๎˜๎˜Ž ๎˜๎˜๎˜‚๎˜†๎˜…๎˜๎˜‘๎˜‚๎˜‘๎˜’๎˜ ๎˜Œ๎˜๎˜‚๎˜“๎˜๎˜ ๎˜†๎˜‘๎˜’๎˜‚๎˜Ž๎˜”๎˜๎˜
SCLS297D โˆ’ JANUARY 1996 โˆ’ REVISED SEPTEMBER 2003
1
POST OFFICE BOX 655303 โ€ข DALLAS, TEXAS 75265
DWide Operating Voltage Range of 2 V to 6 V
DOutputs Can Drive Up To 10 LSTTL Loads
DLow Power Consumption, 80-ยตA Max ICC
DTypical tpd = 14 ns
Dยฑ4-mA Output Drive at 5 V
DLow Input Current of 1 ยตA Max
DInternal Look-Ahead for Fast Counting
DCarry Output for n-Bit Cascading
DSynchronous Counting
DSynchronously Programmable
SN54HC161 . . . J OR W PACKAGE
SN74HC161 . . . D, N, NS, OR PW PACKAGE
(TOP VIEW)
3 2 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
QA
QB
NC
QC
QD
A
B
NC
C
D
SN54HC161 . . . FK PACKAGE
(TOP VIEW)
CLK
CLR
NC
LOAD
ENT RCO
ENP
GND
NC
V
CC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CLR
CLK
A
B
C
D
ENP
GND
VCC
RCO
QA
QB
QC
QD
ENT
LOAD
NC โˆ’ No internal connection
description/ordering information
These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed
counting designs. The โ€™HC161 devices are 4-bit binary counters. Synchronous operation is provided by having
all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed
by the count-enable (ENP, ENT) inputs and internal gating. This mode of operation eliminates the output
counting spikes that are normally associated with synchronous (ripple-clock) counters. A buffered clock (CLK)
input triggers the four flip-flops on the rising (positive-going) edge of the clock waveform.
ORDERING INFORMATION
T
APACKAGEโ€ ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP โˆ’ N Tube of 25 SN74HC161N SN74HC161N
Tube of 40 SN74HC161D
SOIC โˆ’ D Reel of 2500 SN74HC161DR HC161
40ยฐ ยฐC to 85 C
SOIC D
Reel of 250 SN74HC161DT
HC161
โˆ’40ยฐ ยฐC to 85 C SOP โˆ’ NS Reel of 2000 SN74HC161NSR HC161
Tube of 90 SN74HC161PW
TSSOP โˆ’ PW Reel of 2000 SN74HC161PWR HC161
TSSOP PW
Reel of 250 SN74HC161PWT
HC161
CDIP โˆ’ J Tube of 25 SNJ54HC161J SNJ54HC161J
โˆ’55ยฐ ยฐC to 125 C CFP โˆ’ W Tube of 150 SNJ54HC161W SNJ54HC161W
LCCC โˆ’ FK Tube of 55 SNJ54HC161FK SNJ54HC161FK
โ€ Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications o
f
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright ๏ฃฉ 2003, Texas Instruments Incorporated
๎˜•๎˜๎˜‘๎˜–๎˜’๎˜†๎˜Ž๎˜๎˜‘๎˜‚ ๎˜–๎˜“๎˜Ž๎˜“ ๎˜—๎˜˜๎˜™๎˜š๎˜›๎˜œ๎˜๎˜ž๎˜—๎˜š๎˜˜ ๎˜—๎˜Ÿ !"๎˜›๎˜›#๎˜˜๎˜ž ๎˜๎˜Ÿ ๎˜š๎˜™ $"%&๎˜—!๎˜๎˜ž๎˜—๎˜š๎˜˜ '๎˜๎˜ž#(
๎˜•๎˜›๎˜š'"!๎˜ž๎˜Ÿ !๎˜š๎˜˜๎˜™๎˜š๎˜›๎˜œ ๎˜ž๎˜š ๎˜Ÿ$#!๎˜—๎˜™๎˜—!๎˜๎˜ž๎˜—๎˜š๎˜˜๎˜Ÿ $#๎˜› ๎˜ž)# ๎˜ž#๎˜›๎˜œ๎˜Ÿ ๎˜š๎˜™ ๎˜Ž#*๎˜๎˜Ÿ ๎˜๎˜˜๎˜Ÿ๎˜ž๎˜›"๎˜œ#๎˜˜๎˜ž๎˜Ÿ
๎˜Ÿ๎˜ž๎˜๎˜˜'๎˜๎˜›' +๎˜๎˜›๎˜›๎˜๎˜˜๎˜ž,( ๎˜•๎˜›๎˜š'"!๎˜ž๎˜—๎˜š๎˜˜ $๎˜›๎˜š!#๎˜Ÿ๎˜Ÿ๎˜—๎˜˜- '๎˜š#๎˜Ÿ ๎˜˜๎˜š๎˜ž ๎˜˜#!#๎˜Ÿ๎˜Ÿ๎˜๎˜›๎˜—&, ๎˜—๎˜˜!&"'#
๎˜ž#๎˜Ÿ๎˜ž๎˜—๎˜˜- ๎˜š๎˜™ ๎˜&& $๎˜๎˜›๎˜๎˜œ#๎˜ž#๎˜›๎˜Ÿ(
๎˜‘๎˜˜ $๎˜›๎˜š'"!๎˜ž๎˜Ÿ !๎˜š๎˜œ$&๎˜—๎˜๎˜˜๎˜ž ๎˜ž๎˜š .๎˜/๎˜‹๎˜•๎˜0๎˜‹12๎˜ƒ1๎˜ƒ๎˜‰ ๎˜&& $๎˜๎˜›๎˜๎˜œ#๎˜ž#๎˜›๎˜Ÿ ๎˜๎˜›# ๎˜ž#๎˜Ÿ๎˜ž#'
"๎˜˜&#๎˜Ÿ๎˜Ÿ ๎˜š๎˜ž)#๎˜›+๎˜—๎˜Ÿ# ๎˜˜๎˜š๎˜ž#'( ๎˜‘๎˜˜ ๎˜&& ๎˜š๎˜ž)#๎˜› $๎˜›๎˜š'"!๎˜ž๎˜Ÿ๎˜‰ $๎˜›๎˜š'"!๎˜ž๎˜—๎˜š๎˜˜
$๎˜›๎˜š!#๎˜Ÿ๎˜Ÿ๎˜—๎˜˜- '๎˜š#๎˜Ÿ ๎˜˜๎˜š๎˜ž ๎˜˜#!#๎˜Ÿ๎˜Ÿ๎˜๎˜›๎˜—&, ๎˜—๎˜˜!&"'# ๎˜ž#๎˜Ÿ๎˜ž๎˜—๎˜˜- ๎˜š๎˜™ ๎˜&& $๎˜๎˜›๎˜๎˜œ#๎˜ž#๎˜›๎˜Ÿ(


Specyfikacje produktu

Marka: Texas Instruments
Kategoria: Niesklasyfikowane
Model: SN74HC161D

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