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參數(shù)資料
| 型號： | M74HCT160B1R |
| 廠商： | 意法半導體 |
| 元件分類： | 通用總線功能 |
| 英文描述： | SYNCHRONOUS PRESETTABLE 4-BIT COUNTER |
| 中文描述： | 同步預置4位計數(shù)器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 329K |
| 代理商： | M74HCT160B1R |
M54/74HCT160/161
M54/74HCT162/163
October 1993
SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
LOWPOWER DISSIPATION
I
CC
= 4
μ
A(MAX.) AT 25
°
C
.
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
.
BALANCEDPROPAGATION DELAYS
t
PLH
= t
PHL
.
SYMMETRICAL OUTPUT IMPEDANCE
I
OH
= I
OL
= 4 mA (MIN.)
.
COMPATIBLE WITHTTL OUTPUTS
V
IH
= 2V (MIN.); V
IL
= 0.8V (MAX.)
.
PIN ANDFUNCTION COMPATIBLE
WITH 54/74LS160
～
163
B1R
(Plastic Package)
ORDER CODES :
M54HCTXXXF1R
M74HCTXXXB1R
M74HCTXXXM1R
M74HCTXXXC1R
F1R
(CeramicPackage)
M1R
(MicroPackage)
C1R
(Chip Carrier)
PIN CONNECTIONS
(top view)
NC =
No Inter-
nal Con-
DESCRIPTION
M54/74HCT160 Decade, Asynchronous Clear
M54/74HCT161 Binary, Asynchronous Clear
M54/74HCT162 Decade, Synchronous Clear
M54/74HCT163 Binary, Synchronous Clear
The M54/74HCT160, 161, 162 and 163 are high
speed CMOS SYNCHRONOUS PRESETTABLE
COUNTERS fabricated with silicon gate C
2
MOS
technology. They have the same high speed oper-
ation similar to equivalent LSTTL while maintaining
the CMOSlow powerdissipation.
The M54/74HCT160/162 areBCDDecade counter-
s and the M54/74HCT161/163 are 4 bit binary
counters. The CLOCK input is active on the rising
edge. Both LOAD and CLEAR inputs are active
Low.
Presetting of all four IC’s is synchronous on the ris-
ing edge of the CLOCK. The function on the
M54/74HCT162/163 is synchronous to CLOCK,
whilethe M54/74HCT160/161 counters arecleared
asynchronously. Two enable inputs (TE and PE)
andCARRYoutputareprovidedtoenableeasycas-
cadingof counters, which facilities easy implemen-
tationof N-bitcounters without using externalgates.
This integrated circuit has input and output charac-
teristics 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 plugin replace-
ments for LSTTL devices giving a reduction of
power consumption. All inputs are equipped with
.
HIGH SPEED
f
MAX
= 50 MHz (TYP.) AT V
CC
= 5 V
1/16
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| M74HCT164TTR | 功能描述:計數(shù)器移位寄存器 8-Bit SIPO Shift Reg RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| M74HCT174B1R | 功能描述:觸發(fā)器 Hex "D" Flip-Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
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