參數(shù)資料
型號: IDT70V07S25G
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 3.3V 32K x 8 DUAL-PORT STATIC RAM
中文描述: 32K X 8 DUAL-PORT SRAM, 25 ns, CPGA68
封裝: 1.180 X 1.180 INCH, 0.160 INCH HEIGHT, PGA-68
文件頁數(shù): 1/18頁
文件大?。?/td> 246K
代理商: IDT70V07S25G
Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
OCTOBER 1996
1996 Integrated Device Technology, Inc.
DSC-2943/3
1
IDT70V07S/L
HIGH-SPEED 3.3V
32K x 8 DUAL-PORT
STATIC RAM
FEATURES:
True Dual-Ported memory cells which allow simulta-
neous access of the same memory location
High-speed access
— Commercial: 25/35/55ns (max.)
Low-power operation
— IDT70V07S
Active: 450mW (typ.)
Standby: 5mW (typ.)
— IDT70V07L
Active: 450mW (typ.)
Standby: 5mW (typ.)
IDT70V07 easily expands data bus width to 16 bits or
more using the Master/Slave select when cascading
more than one device
M/
S
= H for
BUSY
output flag on Master
M/
S
= L 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
Devices are capable of withstanding greater than 2001V
electrostatic discharge
LVTTL-compatible, single 3.3V (
±
0.3V) power supply
Available in 68-pin PGA, 68-pin PLCC, and a 64-pin
TQFP
DESCRIPTION:
The IDT70V07 is a high-speed 32K x 8 Dual-Port Static
RAM. The IDT70V07 is designed to be used as a stand-alone
Dual-Port RAM or as a combination MASTER/SLAVE Dual-
Port RAM for 16-bit-or-more word systems. Using the IDT
MASTER/SLAVE Dual-Port RAM approach in 16-bit or wider
memory system applications results in full-speed, error-free
operation without the need for additional discrete logic.
FUNCTIONAL BLOCK DIAGRAM
NOTES:
1. (MASTER):
BUSY
is output; (SLAVE):
BUSY
is input.
2.
BUSY
and
INT
outputs are non-tri-stated push-pull.
I/O
Control
Address
Decoder
MEMORY
ARRAY
ARBITRATION
INTERRUPT
SEMAPHORE
LOGIC
Address
Decoder
I/O
Control
R/
W
L
CE
L
OE
L
BUSY
L
A
14L
A
0L
2943 drw 01
I/O
0L
- I/O
7L
CE
L
OE
L
R/
W
L
SEM
L
INT
L
M/
S
BUSY
R
I/O
0R
-I/O
7R
A
14R
A
0R
SEM
R
INT
R
CE
R
OE
R
R/
W
R
(2)
(1,2)
(1,2)
(2)
R/
W
R
CE
R
OE
R
15
15
6.37
For latest information contact IDT’s web site at www.idt.com or fax-on-demand at 408-492-8391.
相關PDF資料
PDF描述
IDT70V07S25J HIGH-SPEED 3.3V 32K x 8 DUAL-PORT STATIC RAM
IDT70V07S25PF HIGH-SPEED 3.3V 32K x 8 DUAL-PORT STATIC RAM
IDT70V07S35G HIGH-SPEED 3.3V 32K x 8 DUAL-PORT STATIC RAM
IDT70V07S35J HIGH-SPEED 3.3V 32K x 8 DUAL-PORT STATIC RAM
IDT70V07S35PF HIGH-SPEED 3.3V 32K x 8 DUAL-PORT STATIC RAM
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