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IDT74FCT162952CTE PDF预览

IDT74FCT162952CTE

更新时间: 2024-10-01 13:08:43
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
8页 78K
描述
Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, CDFP56, 0.635 MM PITCH, CERPACK-56

IDT74FCT162952CTE 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:DFP
包装说明:0.635 MM PITCH, CERPACK-56针数:56
Reach Compliance Code:compliant风险等级:5.44
其他特性:WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION系列:FCT
JESD-30 代码:R-GDFP-F56JESD-609代码:e0
长度:18.415 mm负载电容(CL):50 pF
逻辑集成电路类型:REGISTERED BUS TRANSCEIVER位数:8
功能数量:2端口数量:2
端子数量:56最高工作温度:85 °C
最低工作温度:-40 °C输出特性:3-STATE WITH SERIES RESISTOR
输出极性:TRUE封装主体材料:CERAMIC, GLASS-SEALED
封装代码:DFP封装形状:RECTANGULAR
封装形式:FLATPACK峰值回流温度(摄氏度):225
传播延迟(tpd):6.3 ns认证状态:Not Qualified
座面最大高度:2.143 mm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:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:TIN LEAD
端子形式:FLAT端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:9.652 mmBase Number Matches:1

IDT74FCT162952CTE 数据手册

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IDT73720/A  
16-BIT TRI-PORT  
BUS EXCHANGER  
Integrated Device Technology, Inc.  
FEATURES:  
DESCRIPTION:  
• High-speed 16-bit bus exchange for interbus communica-  
tion in the following environments:  
— Multi-way interleaving memory  
— Multiplexed address and data busses  
• Direct interface to R3051 family RISChipSet  
— R3051 family of integrated RISController CPUs  
— R3721 DRAM controller  
The IDT73720/A Bus Exchanger is a high speed 16-bit bus  
exchange device intended for inter-bus communication in  
interleaved memory systems and high performance multi-  
plexed address and data busses.  
The Bus Exchanger is responsible for interfacing between  
the CPU A/D bus (CPU address/data bus) and multiple  
memory data busses.  
• Data path for read and write operations  
• Low noise 12mA TTL level outputs  
• Bidirectional 3-bus architecture: X, Y, Z  
— One CPU bus: X  
— Two (interleaved or banked) memory busses:Y & Z  
— Each bus can be independently latched  
• Byte control on all three busses  
The 73720/A uses a three bus architecture (X, Y, Z), with  
control signals suitable for simple transfer between the CPU  
bus (X) and either memory bus (Y or Z). The Bus Exchanger  
featuresindependentreadandwrite latchesforeachmemory  
bus, thus supporting a variety of memory strategies. All three  
ports support byte enable to independently enable upper and  
lower bytes.  
• Source terminated outputs for low noise and undershoot  
control  
• 68-pin PLCC and 80-pin PQFP package  
• High-performance CMOS technology.  
FUNCTIONAL BLOCK DIAGRAM  
OEYL  
8
Y0:7  
LEXY  
Y-WRITE  
LATCH  
16  
Y8:15  
8
(Even Path)  
8
8
OEYU  
LEYX  
Y-READ  
LATCH  
16  
8
8
16  
OEXL  
OEXU  
PATH  
8
OEXL  
OEYU  
OEYL  
OEZU  
OEZL  
X0:7  
M
U
X
T/R  
BUS CONTROL  
16  
OEU  
OEL  
X8:15  
8
OEXU  
8
16  
8
Z-READ  
LATCH  
LEZX  
16  
OEZL  
OEZU  
8
8
8
Z0:7  
16  
Z-WRITE  
LATCH  
16  
LEXZ  
Z8:15  
8
(Odd Path)  
2527 drw 01  
Figure 1. 73720 Block Diagram  
NOTE:  
1. Logic equations for bus control:  
OEXU = T/R* . OEU*; OEXL = T/R* . OEL*; OEYU = T/R . PATH . OEU*  
OEYL = T/R . PATH . OEL*; OEZU = T/R . PATH* . OEU*; OEZL = T/R . PATH* . OEL*  
RISChipSet, RISController, R305x, R3051, R3052 are trademarks and the IDT logo is a registered trademark of Integrated Device Technology, Inc.  
COMMERCIAL TEMPERATURE RANGE  
AUGUST 1995  
1995 Integrated Device Technology, Inc.  
11.5  
DSC-2046/6  
1

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