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参数资料
| 型号： | 74LCX574WM |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 7/14页 |
| 文件大小： | 0K |
| 描述： | IC FLIP FLOP OCT D-TYPE 20-SOIC |
| 标准包装： | 36 |
| 系列： | 74LCX |
| 功能： | 标准 |
| 类型： | D 型总线 |
| 输出类型： | 三态非反相 |
| 元件数： | 1 |
| 每个元件的位元数： | 8 |
| 频率 - 时钟： | 150MHz |
| 延迟时间 - 传输： | 8.5ns |
| 触发器类型： | 正边沿 |
| 输出电流高，低： | 24mA，24mA |
| 电源电压： | 2 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 包装： | 管件 |
| 其它名称： | 74LCX574WM-ND 74LCX574WMFS |
2006 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74LCX574 Rev. 1.6.1
2
74LCX574
—
Lo
w
V
olta
g
e
Octal
D-T
ype
Flip-Flop
with
5V
T
olerant
Inputs
and
Outputs
Connection Diagrams
Pin Assignments for
SOIC, SOP, SSOP, TSSOP
Pad Assignments for DQFN
(Top View)
Pin Descriptions
Logic Symbol
Truth Table
H
= HIGH Voltage Level
L
= LOW Voltage Level
X
= Immaterial
Z
= High Impedance
= LOW-to-HIGH Transition
NC
= No Change
Functional Description
The LCX574 consists of eight edge-triggered flip-flops
with individual D-type inputs and 3-STATE true outputs.
The buffered clock and buffered Output Enable are com-
mon to all flip-flops. The eight flip-flops will store the
state of their individual D inputs that meet the setup and
hold time requirements on the LOW-to-HIGH Clock (CP)
transition. With the Output Enable (OE) LOW, the con-
tents of the eight flip-flops are available at the outputs.
When OE is HIGH, the outputs go to the high impedance
state. Operation of the OE input does not affect the load-
ing of the flip-flops.
Pin Names
Description
D0–D7
Data Inputs
CP
Clock Pulse Input
OE
3-STATE Output Enable Input
O0–O7
3-STATE Outputs
D1
D2
D3
D4
D5
D6
D7
GND
D0
O1
O2
O3
O4
O5
O6
O7
CP
O0
VCC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
D1
D2
D3
D4
D5
D6
D7
GND
D0
O1
O2
O3
O4
O5
O6
O7
CP
O0
VCC
120
2
3
4
5
6
7
8
9
10
11
19
18
17
16
15
14
13
12
OE
Inputs
Internal Outputs
Function
OE CP
D
Q
On
HH
LNCZ
Hold
HH
HNCZ
Hold
HL
HZ
Load
HH
LZ
Load
LL
HL
Data Available
LH
Data Available
LH
LNCNC
No Change in Data
LH
HNCNC
No Change in Data
D0 D1 D2 D3 D4 D5 D6 D7
O0
OE
CP
O1 O2 O3 O4 O5 O6 O7
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate
propagation delays.
C
O0
CP
OE
O1
O2
O3
O4
O5
O6
O7
D0
D1
D2
D3
D4
D5
D6
D7
D
Q
CD
Q
CD
Q
CD
Q
CD
Q
CD
Q
CD
Q
CD
Q
(Bottom View)
DAP
No Connect
Note: DAP (Die Attach Pad)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 74LCX574WM | 制造商:Fairchild Semiconductor Corporation 功能描述:74LCX CMOS SMD 74LCX574 SOIC20 |
| 74LCX574WM_NL | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Low Voltage Octal D-Type Flip-Flop with 5V Tolerant Inputs and Outputs |
| 74LCX574WM_Q | 功能描述:触发器 Oct D-Type Flip-Flop RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
| 74LCX574WM-NL | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Low Voltage Octal D-Type Flip-Flop with 5V Tolerant Inputs and Outputs |
| 74LCX574WMX | 功能描述:触发器 Oct D-Type Flip-Flop RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
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