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STK14D88-RF35I Datasheet

  • STK14D88-RF35I

  • 32K x 8 AutoStore nvSRAM CMOS Nonvolatile Static RAM

  • 217.35KB

  • 15頁

  • ETC

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STK14D88
32K x 8
AutoStore
nvSRAM
TM
QuantumTrap
CMOS
Nonvolatile Static RAM
FEATURES
鈥?/div>
25ns, 35ns and 45ns Access Times
鈥?/div>
鈥淗ands-off鈥?Automatic
STORE
on Power Down
with only a small capacitor
鈥?/div>
STORE
to
QuantumTrap鈩?/div>
Nonvolatile
Elements is Initiated by Software , device pin
or
AutoStore鈩?/div>
on Power Down
鈥?/div>
RECALL
to SRAM Initiated by Software or
Power Restore
鈥?/div>
Unlimited READ, WRITE and
RECALL
Cycles
鈥?/div>
5mA Typical I
CC
at 200ns Cycle Time
鈥?/div>
1,000,000
STORE
Cycles to
QuantumTrap鈩?/div>
鈥?/div>
100-Year Data Retention to
QuantumTrap鈩?/div>
鈥?/div>
Single 3V +20%, -10% Operation
鈥?/div>
Commercial and Industrial Temperatures
鈥?/div>
SSOP and SOIC Packages
鈥?/div>
RoHS Compliance
TM
DESCRIPTION
The Simtek STK14D88 is a fast static RAM with a
nonvolatile element in each memory cell. The
embedded
nonvolatile
elements
incorporate
Simtek鈥檚
QuantumTrap鈩?/div>
technology producing the
world鈥檚 most reliable nonvolatile memory. The
SRAM provides unlimited read and write cycles,
while independent, nonvolatile data resides in the
TM
highly reliable
QuantumTrap
cell. Data transfers
from the SRAM to the nonvolatile elements (the
STORE
operation) takes place automatically at
power down. On power up, data is restored to the
SRAM (the
RECALL
operation) from the nonvolatile
memory. Both the
STORE
and
RECALL
operations
are also available under software control.
BLOCK DIAGRAM
A
5
A
6
A
7
A
8
A
9
A
11
A
12
A
13
A
14
Quatum Trap
512 X 512
ROW DECODER
STORE
STATIC RAM
ARRAY
512 X 512
RECALL
V
CC
V
CAP
POWER
CONTROL
STORE/
RECALL
CONTROL
HSB
SOFTWARE
DETECT
INPUT BUFFERS
COLUMN I/O
COLUMN DEC
A
13
鈥?A
0
DQ
0
DQ
1
DQ
2
DQ
3
DQ
4
DQ
5
DQ
6
DQ
7
A
0
A
1
A
2
A
3
A
4
A
10
G
E
W
Figure 1. Block Diagram
April 2005
1
Document Control #ML0033 rev 1.2

STK14D88-RF35I 產(chǎn)品屬性

  • 60

  • 集成電路 (IC)

  • 存儲(chǔ)器

  • -

  • RAM

  • NVSRAM（非易失 SRAM）

  • 256K (32K x 8)

  • 35ns

  • 并聯(lián)

  • 2.7 V ~ 3.6 V

  • -40°C ~ 85°C

  • 48-BSSOP（0.295"，7.50mm 寬）

  • 48-SSOP

  • 管件

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