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參數(shù)資料
| 型號(hào)： | MC74HCT74A |
| 廠商： | Motorola, Inc. |
| 英文描述： | Dual D Flip-Flop with Set and Reset with LSTTL Compatible Inputs |
| 中文描述： | 雙D觸發(fā)器的設(shè)置和復(fù)位觸發(fā)器與輸入通道兼容輸入 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 187K |
| 代理商： | MC74HCT74A |
SEMICONDUCTOR TECHNICAL DATA
1
REV 6
Motorola, Inc. 1995
10/95
High–Performance Silicon–Gate CMOS
The MC74HCT74A is identical in pinout to the LS74. This device may be
used as a level converter for interfacing TTL or NMOS outputs to High Speed
CMOS inputs.
This device consists of two D flip–flops with individual Set, Reset, and
Clock inputs. Information at a D–input is transferred to the corresponding Q
output on the next positive going edge of the clock input. Both Q and Q
outputs are available from each flip–flop. The Set and Reset inputs are
asynchronous.
Output Drive Capability: 10 LSTTL Loads
TTL NMOS Compatible Input Levels
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 4.5 to 5.5 V
Low Input Current: 1.0
μ
A
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 136 FETs or 34 Equivalent Gates
LOGIC DIAGRAM
RESET 1
DATA 1
CLOCK 1
SET 1
RESET 2
DATA 2
CLOCK 2
SET 2
1
2
3
4
13
12
11
10
5
6
9
8
Q1
Q1
Q2
Q2
PIN 14 = VCC
PIN 7 = GND
Internal Gate Count*
34
ea.
* Equivalent to a two–input NAND gate.
FUNCTION TABLE
PIN ASSIGNMENT
Inputs
Outputs
Q
Set Reset Clock Data
Q
L
H
L
H
H
H
H
H
H
L
L
H
H
H
H
H
X
X
X
X
X
X
H
L
X
X
X
H
L
H*
H
L
No Change
No Change
No Change
L
H
H*
L
H
L
H
* Both outputs will remain high as long as
Set and Reset are low, but the output
states are unpredictable if Set and Reset
go high simultaneously.
SET 1
CLOCK 1
DATA 1
RESET 1
11
12
13
14
8
9
10
5
4
3
2
1
7
6
SET 2
CLOCK 2
DATA 2
RESET 2
VCC
Q2
Q2
GND
Q1
Q1
D SUFFIX
SOIC PACKAGE
CASE 751A–03
N SUFFIX
PLASTIC PACKAGE
CASE 646–06
ORDERING INFORMATION
MC54HCTXXAJ
MC74HCTXXAN
MC74HCTXXAD
Ceramic
Plastic
SOIC
1
14
1
14
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| MC74HCT74ADR2 | 功能描述:觸發(fā)器 5V CMOS Dual D-Type RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 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 |
| MC74HCT74ADR2G | 功能描述:觸發(fā)器 5V CMOS Dual D-Type w/Set Reset RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 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 |
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