參數(shù)資料
型號(hào): IDT7026L35GB
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 16K x 16 DUAL-PORT STATIC RAM
中文描述: 16K X 16 DUAL-PORT SRAM, 35 ns, CPGA84
封裝: CERAMIC, PGA-84
文件頁(yè)數(shù): 1/18頁(yè)
文件大小: 239K
代理商: IDT7026L35GB
HIGH-SPEED
16K x 16 DUAL-PORT
STATIC RAM
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
FEATURES:
True Dual-Ported memory cells which allow simulta-
neous access of the same memory location
High-speed access
— Military: 25/35/55ns (max.)
— Commercial: 20/25/35/55ns (max.)
Low-power operation
— IDT7026S
Active: 750mW (typ.)
Standby: 5mW (typ.)
— IDT7026L
Active: 750mW (typ.)
Standby: 1mW (typ.)
Separate upper-byte and lower-byte control for
multiplexed bus compatibility
IDT7026 easily expands data bus width to 32 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
On-chip port arbitration logic
Full on-chip hardware support of semaphore signaling
between ports
Fully asynchronous operation from either port
TTL-compatible, single 5V (
±
10%) power supply
Available in 84-pin PGA and 84-pin PLCC
Industrial temperature range (–40
°
C to +85
°
C) is avail-
able, tested to military electrical specifications
MILITARY AND COMMERCIAL TEMPERATURE RANGES
OCTOBER 1996
1996 Integrated Device Technology, Inc.
DSC 2939/3
1
FUNCTIONAL BLOCK DIAGRAM
IDT7026S/L
NOTES:
1. (MASTER):
BUSY
is output; (SLAVE):
BUSY
is input.
2.
BUSY
outputs are non-tri-stated push-pull.
Integrated Device Technology, Inc.
6.17
For latest information contact IDT’s web site at www.idt.com or fax-on-demand at 408-492-8391.
I/O
Control
Address
Decoder
MEMORY
ARRAY
ARBITRATION
SEMAPHORE
LOGIC
Address
Decoder
I/O
Control
R/
W
L
UB
L
BUSY
L
A
13L
A
0L
2939 drw 01
LB
L
CE
L
OE
L
I/O
8L
-I/O
15L
I/O
0L
-I/O
7L
CE
L
SEM
L
M/
S
R/
W
R
UB
R
BUSY
R
LB
R
CE
R
OE
R
I/O
8R
-I/O
15R
I/O
0R
-I/O
7R
A
13R
A
0R
SEM
R
CE
R
(1,2)
(1,2)
14
14
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IDT7026L35J HIGH-SPEED 16K x 16 DUAL-PORT STATIC RAM
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