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參數資料
| 型號： | M74HC40103M1R |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 計數器 |
| 英文描述： | HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 8-BIT DOWN BINARY COUNTER, PDSO16 |
| 封裝： | SO-16 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 691K |
| 代理商： | M74HC40103M1R |
1/16
September 2001
s
HIGH SPEED :
fMAX = 38MHz (TYP.) at VCC = 6V
s
LOW POWER DISSIPATION:
ICC =4A(MAX.) at TA=25°C
s
HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
s
SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
s
BALANCED PROPAGATION DELAYS:
tPLH tPHL
s
WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 40103
DESCRIPTION
The M74HC40103 is an high speed CMOS
8-STAGE
PRESETTABLE
SYNCHRONOUS
DOWN COUNTER fabricated with silicon gate
C2MOS technology.
The HC40103 consists of an 8 stage synchronous
down counter with a single output which is active
when the internal count is zero. The HC40103
contains a single 8-bit binary counter. This device
has control inputs for enabling or disabling the
clock, for clearing the counter to its maximum
count, and for presetting the counter either
synchronously or asynchronously. All control
inputs and the CARRY-OUT / ZERO DETECT
output are active low logic. In normal operation the
counter is decremented by one count on each
positive transition of the CLOCK. Counting is
inhibited when the CARRY-IN / COUNTER
ENABLE (CI/CE) input is high. The CARRY-OUT /
ZERO-DETECT (CO/ZD) output goes low when
the count reaches zero if the CI/CE input is low,
and remains low for one full clock period. When
the SYNCHRONOUS PRESET-ENABLE (SPE)
input is low, data at the J input is clocked into the
counter on the next positive clock transition
regardless of the state of the CI/CE input.
When the ASYNCHRONOUS PRESET-ENABLE
(APE) input is low, data at the J inputs is
asynchronously forced into the counter regardless
of the state of the SPE CI/CE or CLOCK inputs. J
input J0-J7 represent a singular 8-bit binary word.
When the CLEAR, CLR input is low, the counter is
asynchronously cleared to its maximum count
M74HC40103
8 STAGE PRESETTABLE
SYNCHRONOUS DOWN COUNTER
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
PACKAG
E
TUBE
T & R
DIP
M74HC40103B1R
SOP
M74HC40103M1R M74HC40103RM13TR
TSSOP
M74HC40103TTR
TSSOP
DIP
SOP
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| M74HC40103RM13TR | 功能描述:計數器移位寄存器 8 STAGE PRESETTABLE SYNC DOWN COUNTR RoHS:否 制造商:Texas Instruments 計數器類型: 計數順序:Serial to Serial/Parallel 電路數量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數量: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 |
| M74HC40103TTR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTER |
| M74HC4011B1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:BCD TO 7 SEGMENT LATCH/DECODER DRIVER |
| M74HC4011C1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:BCD TO 7 SEGMENT LATCH/DECODER DRIVER |
| M74HC4011M1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:BCD TO 7 SEGMENT LATCH/DECODER DRIVER |
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