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參數(shù)資料
| 型號(hào)： | 74F579PCQR |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-Bit Bidirectional Binary Counter with TRI-STATE Outputs |
| 中文描述： | F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 8-BIT BIDIRECTIONAL BINARY COUNTER, PDIP20 |
| 封裝： | DIP-20 |
| 文件頁(yè)數(shù)： | 9/14頁(yè) |
| 文件大?。?/td> | 112K |
| 代理商： | 74F579PCQR |
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Philips Semiconductors
Product specification
74F579
8-bit bidirectional binary counter (3-State)
1992 May 04
9
AC WAVEFORMS
NOTE: For all waveforms V
M
= 1.5V.
The shaded areas indicate when the input is permitted to change for predictable output performance.
V
M
t
PHL
t
PLH
V
M
V
M
V
M
CP
I/O
n
1/f
MAX
t
W
(H)
t
W
(L)
t
PLH
t
PHL
V
M
V
M
TC
SF01089
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width and Maximum Clock Frequency
V
M
V
M
V
M
V
M
t
PHL
MR
CP
I/O
n
t
W
(L)
t
rec
SF01090
Waveform 2. Master Reset Pulse Width, Master Reset to
Output Delay and Master Reset to Clock Recovery Time
V
M
V
M
V
M
V
M
t
PLH
t
PHL
CET
TC
SF01091
Waveform 3. Propagation Delay, CET Input to
Terminal Count Output
V
M
V
M
V
M
t
PLH
t
PHL
MR, U/D
TC
SF01092
Waveform 4. Propagation Delay, U/D and MR Inputs to
Terminal Count Output
CP
PE, CS,
U/D, SR,
I/O
n,
CEP,
CET
V
M
V
M
V
M
V
M
V
M
V
M
t
s
(H)
t
s
(L)
t
h
(L)
t
h
(L)
SF01093
Waveform 5. Setup and Hold Times
V
M
V
M
V
M
t
PHZ
t
PZH
PE, OE,
CS
I/O
n
V
OH
-0.3V
SF01094
Waveform 6. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
V
M
V
M
V
M
t
PLZ
t
PZL
V
OL
+0.3V
PE, OE,
CS
I/O
n
SF01095
Waveform 7. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
相關(guān)PDF資料 |
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| 74F579 | 8-Bit Bidirectional Binary Counter with 3-STATE Outputs |
| 74F579SC | 8-Bit Bidirectional Binary Counter with 3-STATE Outputs |
| 74F579SJ | 8-Bit Bidirectional Binary Counter with 3-STATE Outputs |
| 74F579PC | 8-Bit Bidirectional Binary Counter with 3-STATE Outputs |
| 74F582SDC | Fixed Point ALU |
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| 74F579SCX | 功能描述:計(jì)數(shù)器移位寄存器 8-Bit Bidir Bin Ctr 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 |
| 74F579SCX | 制造商:Fairchild Semiconductor Corporation 功能描述:IC COUNTERS/MULTIPLIERS/DIVIDERS LOGIC |
| 74F579SJ | 功能描述:計(jì)數(shù)器移位寄存器 8-Bit Bidir Bin Ctr 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 |
| 74F579SJX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchronous Up/Down Counter |
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