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參數(shù)資料
| 型號(hào)： | MC74AC74N |
| 廠商： | MOTOROLA INC |
| 元件分類(lèi)： | 通用總線(xiàn)功能 |
| 英文描述： | DUAL D-TYPE POSITIVE EDGE-TRIGGERED FLIP-FLOP |
| 中文描述： | AC SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 188K |
| 代理商： | MC74AC74N |
5-1
FACT DATA
The MC74AC74/74ACT74 is a dual D-type flip-flop with Asynchronous Clear
and Set inputs and complementary (Q,Q) outputs. Information at the input is
transferred to the outputs on the positive edge of the clock pulse. Clock triggering
occurs at a voltage level of the clock pulse and is not directly related to the transition
time of the positive-going pulse. After the Clock Pulse input threshold voltage has
been passed, the Data input is locked out and information present will not be
transferred to the outputs until the next rising edge of the Clock Pulse input.
Asynchronous Inputs:
LOW input to SD (Set) sets Q to HIGH level
LOW input to CD (Clear) sets Q to LOW level
Clear and Set are independent of clock
Simultaneous LOW on CD and SD makes both Q and Q HIGH
Outputs Source/Sink 24 mA
′
ACT74 Has TTL Compatible Inputs
CP
1
CD
2
CP
2
D
2
13
14
12
11
10
9
8
2
1
3
4
5
6
7
VCC
CD1
D1
CP1
SD1
Q1
Q1
CD2
D2
CP2
SD2
Q2
Q2
CD
1
SD
1
Q
1
Q
1
D
1
SD
2
Q
2
Q
2
GND
PIN NAMES
D1, D2
CP1, CP2
CD1, CD2
SD1, SD2
Q1, Q1, Q2, Q2
Data Inputs
Clock Pulse Inputs
Direct Clear Inputs
Direct Set Inputs
Outputs
TRUTH TABLE
(Each Half)
Inputs
Outputs
SD
L
H
L
H
H
H
CD
H
L
L
H
H
H
CP
D
Q
Q
X
X
X
X
X
X
H
L
X
H
L
H
H
L
Q0
L
H
H
L
H
Q0
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
= LOW-to-HIGH Clock Transition
Q0(Q0) = Previous Q(Q) before
LOW-to-HIGH Transition of Clock
DUAL D-TYPE POSITIVE
EDGE-TRIGGERED
FLIP-FLOP
N SUFFIX
CASE 646-06
PLASTIC
D SUFFIX
CASE 751A-03
PLASTIC
LOGIC SYMBOL
SD1
Q1
CP1
Q1
CD1
SD2
Q2
D2
CP2
Q2
CD2
D1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC74ACT74N | DUAL D-TYPE POSITIVE EDGE-TRIGGERED FLIP-FLOP |
| MC74ACT810D | QUAD 2-INPUT EXCLUSIVE-NOR GATE |
| MC74AC810D | QUAD 2-INPUT EXCLUSIVE-NOR GATE |
| MC74AC810N | QUAD 2-INPUT EXCLUSIVE-NOR GATE |
| MC74ACT810N | QUAD 2-INPUT EXCLUSIVE-NOR GATE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74AC74NG | 功能描述:觸發(fā)器 2-6V CMOS Dual D-Type Pos. Edge RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)型: 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| MC74AC810 | 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:QUAD 2-INPUT EXCLUSIVE-NOR GATE |
| MC74AC810D | 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:QUAD 2-INPUT EXCLUSIVE-NOR GATE |
| MC74AC810N | 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:QUAD 2-INPUT EXCLUSIVE-NOR GATE |
| MC74AC823 | 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:9-BIT REGISTER WITH 3-STATE OUTPUTS (Non-Inverting) |
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