參數(shù)資料
型號: IDT70261S15PFI
廠商: Integrated Device Technology, Inc.
英文描述: HIGH-SPEED 16K x 16 DUAL-PORT STATIC RAM WITH INTERRUPT
中文描述: 高速16K的× 16 DUAL-PORT靜態(tài)RAM的中斷
文件頁數(shù): 1/19頁
文件大?。?/td> 171K
代理商: IDT70261S15PFI
2000 Integrated Device Technology, Inc.
DSC 3039/8
1
HIGH-SPEED
16K x 16 DUAL-PORT
STATIC RAM WITH INTERRUPT
N
True Dual-Ported memory cells which allow simultaneous
access of the same memory location
N
High-speed access
– Commercial: 15/20/25/35/55ns (max.)
– Industrial 20/25/35/55ns (max.)
N
Low-power operation
– IDT70261S
Active: 750mW (typ.)
Standby: 5mW (typ.)
– IDT70261L
Active: 750mW (typ.)
Standby: 1mW (typ.)
N
Separate upper-byte and lower-byte control for multiplexed
bus compatibility
N
IDT70261 easily expands data bus width to 32 bits or more
using the Master/Slave select when cascading more than
one device
N
M/
S
= H for
BUSY
output flag on Master,
M/
S
= L for
BUSY
input on Slave
N
Busy and Interrupt Flags
N
On-chip port arbitration logic
N
Full on-chip hardware support of semaphore signaling
between ports
N
Fully asynchronous operation from either port
N
TTL-compatible, single 5V (±10%) power supply
N
Available in 100-pin Thin Quad Flatpack
N
Industrial temperature range (-40
O
C to +85
O
C) is available
for selected speeds
NOTES:
1. (MASTER):
BUSY
is output; (SLAVE):
BUSY
is input.
2.
BUSY
and
INT
outputs are non-tri-stated push-pull.
IDT70261S/L
I/O
Control
Address
Decoder
MEMORY
ARRAY
ARBITRATION
INTERRUPT
SEMAPHORE
LOGIC
Address
Decoder
I/O
Control
R/
UB
L
L
L
A
13L
A
0L
3039 drw 01
L
L
L
I/O
8L
-I/O
15L
I/O
0L
-I/O
7L
L
L
L
R/
L
L
M/
R/
R
R
R
R
R
R
I/O
8R
-I/O
15R
I/O
0R
-I/O
7R
A
13R
A
0R
R/
R
R
(2)
R
R
R
(2)
(1,2)
(1,2)
14
14
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