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参数资料
| 型号： | 74HC74PW,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 16/21页 |
| 文件大小： | 0K |
| 描述： | IC DUAL POS-EDG-TRG D FF 14TSSOP |
| 产品培训模块： | Logic Packages |
| 标准包装： | 2,400 |
| 系列： | 74HC |
| 功能： | 设置（预设）和复位 |
| 类型： | D 型 |
| 输出类型： | 差分 |
| 元件数： | 2 |
| 每个元件的位元数： | 1 |
| 频率 - 时钟： | 82MHz |
| 延迟时间 - 传输： | 14ns |
| 触发器类型： | 正边沿 |
| 输出电流高，低： | 5.2mA，5.2mA |
| 电源电压： | 2 V ~ 6 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 管件 |
74HC_HCT74
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 4 — 27 August 2012
4 of 21
NXP Semiconductors
74HC74; 74HCT74
Dual D-type flip-flop with set and reset; positive edge-trigger
6.
Functional description
[1]
H = HIGH voltage level; L = LOW voltage level; X = don’t care.
[1]
H = HIGH voltage level; L = LOW voltage level;
= LOW-to-HIGH transition; Q
n+1 = state after the next LOW-to-HIGH CP transition;
X = don’t care.
7.
Limiting values
[1]
For DIP14 package: Ptot derates linearly with 12 mW/K above 70 C.
For SO14 package: Ptot derates linearly with 8 mW/K above 70 C.
For (T)SSOP14 packages: Ptot derates linearly with 5.5 mW/K above 60 C.
For DHVQFN14 packages: Ptot derates linearly with 4.5 mW/K above 60 C.
Table 3.
Function table[1]
Input
Output
nSD
nRD
nCP
nD
nQ
L
H
XXH
L
H
L
XXL
H
L
XXH
H
Table 4.
Function table[1]
Input
Output
nSD
nRD
nCP
nD
nQn+1
HH
LLH
HH
HHL
Table 5.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Max
Unit
VCC
supply voltage
0.5
+7
V
IIK
input clamping current
VI < 0.5 V or VI >VCC +0.5 V
-
20
mA
IOK
output clamping current
VO < 0.5 V or VO >VCC +0.5 V
-
20
mA
IO
output current
VO = 0.5 V to (VCC +0.5 V)
-
25
mA
ICC
supply current
-
+100
mA
IGND
ground current
100
-
mA
Tstg
storage temperature
65
+150
C
Ptot
total power dissipation
DIP14 package
[1] -
750
mW
SO14, (T)SSOP14 and DHVQFN14
packages
[1] -
500
mW
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