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70V17L15PFI8 PDF预览

70V17L15PFI8

更新时间: 2024-11-25 06:19:47
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
17页 158K
描述
TQFP-100, Reel

70V17L15PFI8 数据手册

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PRELIMINARY  
IDT70V17L  
HIGH-SPEED 3.3V  
32K x 9 DUAL-PORT  
STATIC RAM  
Features  
True Dual-Ported memory cells which allow simultaneous  
access of the same memory location  
High-speed access  
M/S = VIH for BUSY output flag on Master,  
M/S = VIL for BUSY input on Slave  
Busy and Interrupt Flags  
On-chip port arbitration logic  
Full on-chip hardware support of semaphore signaling  
between ports  
Fully asynchronous operation from either port  
LVTTL-compatible, single 3.3V (±0.3V) power supply  
Available in a 100-pin TQFP  
Industrial temperature range (–40°C to +85°C) is available  
for selected speeds  
– Commercial:15/20ns (max.)  
Industrial:20ns (max.)  
Low-power operation  
IDT70V17L  
Active: 440mW (typ.)  
Standby: 660µW (typ.)  
Dual chip enables allow for depth expansion without  
external logic  
IDT70V17 easily expands data bus width to 18 bits or  
more using the Master/Slave select when cascading more  
than one device  
Functional Block Diagram  
R/WL  
CE0L  
CE1L  
R/WR  
CE  
0
R
CE  
1
R
OEL  
OER  
I/O  
Control  
I/O  
Control  
0-8L  
I/O  
0-8R  
I/O  
(1,2)  
(1,2)  
R
BUSY  
L
BUSY  
.
32Kx9  
A
14L  
0L  
A
A
14R  
0R  
MEMORY  
ARRAY  
70V17  
Address  
Decoder  
Address  
Decoder  
A
15  
15  
ARBITRATION  
INTERRUPT  
SEMAPHORE  
LOGIC  
CE 0L  
CE1L  
CE0R  
CE1R  
OER  
OE  
L
R/WL  
R/WR  
SEM  
INT  
L
L
SEM  
R
(2)  
(2)  
INT  
R
M/S(1)  
NOTES:  
5643 drw 01  
1. BUSY is an input as a Slave (M/S=VIL) and an output when it is a Master (M/S=VIH).  
2. BUSY and INT are non-tri-state totem-pole outputs (push-pull).  
JUNE 2003  
1
DSC-5643/1  
©2003IntegratedDeviceTechnology,Inc.  

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