參數(shù)資料
型號: IDT71V421L35PF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
中文描述: 2K X 8 DUAL-PORT SRAM, 35 ns, PQFP64
封裝: TQFP-64
文件頁數(shù): 1/14頁
文件大?。?/td> 129K
代理商: IDT71V421L35PF
2001 Integrated Device Technology, Inc.
DSC-3026/8
1
HIGH SPEED 3.3V
2K X 8 DUAL-PORT
STATIC RAM WITH INTERRUPTS
IDT71V321S/L
IDT71V421S/L
N
High-speed access
– Commercial: 25/35/55ns (max.)
– Industrial: 25ns (max.)
N
Low-power operation
– IDT71V321/IDT71V421S
Active: 325mW (typ.)
Standby: 5mW (typ.)
– IDT71V321/V421L
Active: 325mW (typ.)
Standby: 1mW (typ.)
N
Two
INT
flags for port-to-port communications
NOTES:
1. IDT71V321 (MASTER):
BUSY
is an output. IDT71V421 (SLAVE):
BUSY
is input.
2.
BUSY
and
INT
are totem-pole outputs.
N
MASTER IDT71V321 easily expands data bus width to 16-
or-more-bits using SLAVE IDT71V421
N
On-chip port arbitration logic (IDT71V321 only)
N
BUSY
output flag on IDT71V321;
BUSY
input on IDT71V421
N
Fully asynchronous operation from either port
N
Battery backup operation—2V data retention (L only)
N
TTL-compatible, single 3.3V power supply
N
Available in 52-pin PLCC, 64-pin TQFP and STQFP
packages
N
Industrial temperature range (–40°C to +85°C) is available
for selected speeds
I/O
Control
Address
Decoder
MEMORY
ARRAY
ARBITRATION
and
INTERRUPT
LOGIC
Address
Decoder
I/O
Control
R/
W
L
CE
L
OE
L
BUSY
L
A
10L
A
0L
3026 drw 01
I/O
0L
- I/O
7L
CE
L
OE
L
R/
W
L
INT
L
BUSY
R
I/O
0R
-I/O
7R
A
10R
A
0R
INT
R
CE
R
OE
R
R/
W
R
(2)
(1,2)
(1,2)
(2)
R/
W
R
CE
R
OE
R
11
11
相關(guān)PDF資料
PDF描述
IDT71V321L35TFI HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
IDT71V321L55J HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
IDT71V321L55JI HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
IDT71V321L55PF HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
IDT71V321L55PFI HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
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