參數(shù)資料
型號(hào): M74HCT393B1R
廠商: STMICROELECTRONICS
元件分類: 計(jì)數(shù)器
英文描述: HCT SERIES, ASYN NEGATIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDIP14
封裝: PLASTIC, DIP-14
文件頁(yè)數(shù): 1/10頁(yè)
文件大?。?/td> 181K
代理商: M74HCT393B1R
1/10
September 2001
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HIGH SPEED :
fMAX = 80MHz (TYP.) at VCC = 4.5V
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LOW POWER DISSIPATION:
ICC =4A(MAX.) at TA=25°C
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COMPATIBLE WITH TTL OUTPUTS :
VIH = 2V (MIN.) VIL = 0.8V (MAX)
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SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
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BALANCED PROPAGATION DELAYS:
tPLH tPHL
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PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 393
DESCRIPTION
The M74HCT393 is an high speed CMOS DUAL
BINARY COUNTER fabricated with silicon gate
C2MOS technology.
This counter circuit contains independent ripple
carry counters and two 4-bit ripple carry binary
counters, which can be cascaded to create a
single divide by 256 counter.
Each 4-bit counter is incremented on the high to
low transition (negative edge) of the clock input,
and each has an independent clear input. When
CLEAR(CLR) is set to high, all four bits of each
counter are set to a low level. This enables count
truncation and allows the implementation of divide
by N counter configurations.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
M74HCT393
DUAL BINARY COUNTER
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
PACKAGE
TUBE
T & R
DIP
M74HCT393B1R
SOP
M74HCT393M1R
M74HCT393RM13TR
TSSOP
M74HCT393TTR
TSSOP
DIP
SOP
相關(guān)PDF資料
PDF描述
M74HCT393M1R HCT SERIES, ASYN NEGATIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO14
M74HCT534TTR HCT SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20
M74HCT540M1 HCT SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20
M74HCT541M1 HCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
M74HCT540B1N HCT SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDIP20
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