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74F674 PDF预览

74F674

更新时间: 2024-01-24 08:12:05
品牌 Logo 应用领域
恩智浦 - NXP 移位寄存器
页数 文件大小 规格书
5页 51K
描述
16-bit serial/parallel-in, serial-out shift register 3-State

74F674 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:24
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.71Is Samacsys:N
其他特性:HOLD MODE; READ/WRITE CONTROL; COMMON I/O PIN计数方向:RIGHT
系列:F/FASTJESD-30 代码:R-PDSO-G24
长度:15.4 mm逻辑集成电路类型:PARALLEL IN SERIAL OUT
位数:16功能数量:1
端子数量:24最高工作温度:70 °C
最低工作温度:输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE传播延迟(tpd):12.5 ns
认证状态:Not Qualified座面最大高度:2.65 mm
最大供电电压 (Vsup):5.25 V最小供电电压 (Vsup):4.75 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:TTL温度等级:COMMERCIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL触发器类型:NEGATIVE EDGE
宽度:7.5 mm最小 fmax:140 MHz
Base Number Matches:1

74F674 数据手册

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Philips Semiconductors  
Product specification  
16-bit serial/parallel-in, serial-out shift register (3-State)  
74F674  
FEATURES  
PIN CONFIGURATION  
16-bit serial I/O shift register  
16-bit parallel-in/serial-out converter  
Recirculating serial shifting  
CS  
CP  
V
1
2
3
4
5
24  
CC  
23 D15  
22  
R/W  
NC  
D14  
Common serial data I/O pin (3-State)  
21 D13  
DESCRIPTION  
M
20  
D12  
The 74F674 is a 16-bit shift register with serial and parallel load  
capability and serial output. A single pin serves alternately as an  
input for serial entry or as a 3-State serial output. In the serial out  
mode the data recirculates in the register. Chip Select, Read/Write  
and Mode inputs provide control flexibility. The 74F674 operates in  
one of four modes, as indicated in the Function table.  
SI/O  
6
7
8
9
19 D11  
18  
17  
16  
15  
14  
13  
D0  
D1  
D10  
D9  
D8  
D7  
D6  
D5  
D2  
D3 10  
D4  
Hold: A High signal on the Chip Select (CS) input prevents clocking  
and forces the Serial Input/Output (SI/O) 3-State buffer into the high  
impedance state.  
11  
GND 12  
Serial load: Data present on the SI/O pin shifts into the register on  
the falling edge of CP. Data enters the Q0 position and shifts toward  
Q15 on successive clocks.  
SF01188  
Serial output: The SI/O 3-State buffer is active and the register  
contents are shifted out from Q15 and simultaneously shifted back  
into Q0.  
TYPICAL SUPPLY  
CURRENT  
TYPE  
TYPICAL f  
MAX  
(TOTAL)  
Parallel load: Data present on D0–D15 is entered into the register  
on the falling edge of CP. The SI/O 3-State buffer is active and  
represents the Q15 output. To prevent false clocking, CP must be  
Low during a Low-to-High transition of CS.  
74F674  
95MHz  
55mA  
ORDERING INFORMATION  
DESCRIPTION  
COMMERCIAL RANGE  
= 5V ±10%, T = 0°C to +70°C  
V
CC  
amb  
24-Pin Plastic Slim DIP  
(300mil)  
N74F674N  
24-Pin Plastic SOL  
N74F674D  
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE  
74F(U.L.)  
HIGH/LOW  
LOAD VALUE  
PINS  
D0–D15  
DESCRIPTION  
HIGH/LOW  
20µA/0.6mA  
20µA/0.6mA  
20µA/0.6mA  
20µA/0.6mA  
20µA/0.6mA  
70mA/0.6mA  
3.0mA/24mA  
Parallel data inputs  
1.0/1.0  
1.0/1.0  
1.0/1.0  
1.0/1.0  
1.0/1.0  
3.5/1.0  
150/40  
CS  
CP  
M
Chip Select input (active Low)  
Clock Pulse input (active falling edge)  
Mode select input  
R/W  
Read/Write input  
Serial data input or  
SI/O  
Serial 3-state output  
NOTE: One (1.0) FAST Unit Load is defined as: 20µA in the High state and 0.6mA in the Low state.  
1
1989 Feb 05  
853–1248 92263  

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