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參數(shù)資料
| 型號： | 74AC161B |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Octal D-Type Flip-Flop With Clock Enable 20-PDIP 0 to 70 |
| 中文描述： | 同步預(yù)置4位計(jì)數(shù)器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 101K |
| 代理商： | 74AC161B |
74AC161
SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
December 1998
I
HIGHSPEED:
f
MAX
=125MHz(TYP.)atV
CC
=5V
I
LOWPOWERDISSIPATION:
I
CC
=8
μ
A(MAX.) at T
A
=25
o
C
I
HIGHNOISEIMMUNITY:
V
NIH
= V
NIL
=28%V
CC
(MIN.)
I
50
TRANSMISSIONLINEDRIVING
CAPABILITY
I
SYMMETRICALOUTPUTIMPEDANCE:
|I
OH
| = I
OL
= 24mA(MIN)
I
BALANCEDPROPAGATIONDELAYS:
t
PLH
t
PHL
I
OPERATINGVOLTAGERANGE:
V
CC
(OPR)= 2Vto 6V
I
PINANDFUNCTION COMPATIBLEWITH
74SERIES161
I
IMPROVEDLATCH-UP IMMUNITY
DESCRIPTION
The
AC161
SYNCRONOUS
fabricated with sub-micron silicon gate
double-layermetal wiring C
2
MOS technology.It is
ideal for low power applications mantaining high
speed operation similar to eqivalent Bipolar
Schottky TTL. It is a 4 bit binary counter with
AsynchronousClear.
The circuit have four fundamental modes of
operation, in order of preference: synchronous
is
a
high-speed
CMOS
PRESETTABLE
COUNTER
and
reset, parallel load, count-up and hold. Four
control inputs, Master Reset (CLEAR), Parallel
Enable Input (LOAD), Count Enable Input (PE)
and Count Enable Carry Input (TE), determine
the mode of operation as shown in the Truth
Table. A LOW signal on CLEAR overrides
counting and parallel loading and sets all outputs
on LOW state. A LOW signal on LOAD overrides
counting and allows information on Parallel Data
Qn inputs to be loaded into the flip-flops on the
next rising edge of CLOCK. With LOAD and
CLEAR, PE and TE permit counting when both
are HIGH. Conversely, a LOW signal on either
PE and TE inhibits counting.
All
inputs
and
outputs are
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
equipped with
PIN CONNECTION AND IEC LOGIC SYMBOLS
M
(Micro Package)
B
(Plastic Package)
ORDER CODES :
74AC161B
74AC161M
1/12
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74AC161M | SYNCHRONOUS PRESETTABLE 4-BIT COUNTER |
| 74AC161 | Synchronous Presettable Binary Counter |
| 74AC161MTC | Synchronous Presettable Binary Counter |
| 74AC161PC | Synchronous Presettable Binary Counter |
| 74AC161SC | Synchronous Presettable Binary Counter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74AC161DC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchronous Up Counter |
| 74AC161M | 功能描述:計(jì)數(shù)器 IC Sync Binary Counter RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74AC161MTC | 功能描述:計(jì)數(shù)器移位寄存器 Syn Binary Counter RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)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(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| 74AC161MTCX | 功能描述:計(jì)數(shù)器移位寄存器 Syn Binary Counter RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)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(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| 74AC161MTR | 功能描述:計(jì)數(shù)器移位寄存器 Sync Binary Counter RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)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(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
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