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MC74F779J PDF预览

MC74F779J

更新时间: 2024-02-07 13:24:49
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 计数器
页数 文件大小 规格书
4页 110K
描述
8-BIT BIDIRECTIONAL BINARY COUNTER (3-STATE)

MC74F779J 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP16,.3Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.92
其他特性:TCO OUTPUT; MULTIPLEXED I/O计数方向:BIDIRECTIONAL
系列:F/FASTJESD-30 代码:R-PDIP-T16
JESD-609代码:e0长度:19.175 mm
负载电容(CL):50 pF负载/预设输入:YES
逻辑集成电路类型:BINARY COUNTER工作模式:SYNCHRONOUS
位数:8功能数量:1
端子数量:16最高工作温度:70 °C
最低工作温度:输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP16,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V最大电源电流(ICC):128 mA
传播延迟(tpd):11 ns认证状态:Not Qualified
座面最大高度:4.44 mm子类别:Counters
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:NO
技术:TTL温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED触发器类型:POSITIVE EDGE
宽度:7.62 mm最小 fmax:80 MHz
Base Number Matches:1

MC74F779J 数据手册

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MC74F779  
8-BIT BIDIRECTIONAL  
BINARY COUNTER (3-STATE)  
The MC74F779 is a fully synchronous 8-stage up/down counter with multi-  
plexed 3-state I/O ports for bus-oriented applications. All control functions  
(hold, count up, count down, synchronous load) are controlled by two mode  
8-BIT BIDIRECTIONAL  
BINARY COUNTER (3-STATE)  
pins (S , S ). The device also features carry look-ahead for easy cascading.  
0
1
All state changes are initiated by the rising edge of the clock.  
When CET is High the data outputs are held in their current state and TC  
is held high. The TC output is not recommended for use as a clock or asynch-  
ronous reset due to the possibility of decoding spikes.  
Multiplexed 3-State I/O Ports For Bus-oriented Applications  
Built-In Look-Ahead Carry Capability  
Count Frequency 145 MHz Typ  
Supply Current 90 mA Typ  
Fully Synchronous Operation  
J SUFFIX  
CERAMIC  
CASE 620-09  
16  
1
Separate Pins for Master Reset and Synchronous Reset  
Center Power Pins to Reduce Effects of Package Inductance  
See F269 for 24-Pin Separate I/O Port Version  
See F579 for 20-Pin Version  
ESD Protection > 4000 Volts  
N SUFFIX  
PLASTIC  
PIN ASSIGNMENT  
CASE 648-08  
I/O  
CP  
15  
CET  
V
TC  
S
S
1
OE  
9
0
CC  
13  
0
16  
16  
14  
12  
11  
10  
1
D SUFFIX  
SOIC  
CASE 751B-03  
16  
1
1
I/O  
2
3
4
5
6
I/O  
8
7
ORDERING INFORMATION  
I/O  
I/O  
GND I/O  
I/O  
I/O  
7
1
2
3
4
5
6
MC74FXXXJ  
Ceramic  
LOGIC SYMBOL  
MC74FXXXN Plastic  
MC74FXXXD SOIC  
11  
10  
S
S
1
0
14  
15  
9
CET  
CP  
TC  
12  
OE  
I/O I/O I/O I/O I/O I/O I/O  
I/O  
9
0
1
2
3
4
5
6
7
2
3
4
5
6
7
8
GUARANTEED OPERATING RANGES  
Symbol  
Parameter  
Min  
4.5  
0
Typ  
5.0  
25  
Max  
5.5  
70  
Unit  
V
V
CC  
Supply Voltage  
74  
74  
T
A
Operating Ambient Temperature Range  
°C  
I/O –I/O  
0
–3.0  
–1.0  
24  
7
I
Output Current — High  
74  
74  
mA  
mA  
OH  
TC  
I/O –I/O  
0
7
I
Output Current — Low  
OL  
TC  
20  
FAST AND LS TTL DATA  
4-252  

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