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Cypress Semiconductor Electronic Components Datasheet



CY14B101L

1-Mbit (128K x 8) nvSRAM



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CY14B101L pdf
PRELIMINARY
CY14B101L
1-Mbit (128K x 8) nvSRAM
Features
• 25 ns, 35 ns, and 45 ns access times
• “Hands-off” automatic STORE on power down with only a
small capacitor
STORE to QuantumTrapTM nonvolatile elements is initiated
by software, device pin, or AutostoreTM on power down
www.DataSheet4UR.cEoCmALL to SRAM initiated by software or power up
• Infinite READ, WRITE, and RECALL cycles
• 10 mA typical ICC at 200 ns cycle time
• 200,000 STORE cycles to quantum trap
20-year data retention @ 55°C
Single 3V operation +20%, –10%
• Commercial and industrial temperature
• SOIC and SSOP packages
• RoHS compliance
Logic Block Diagram
Functional Description
The Cypress CY14B101L is a fast static RAM with a
nonvolatile element in each memory cell. The embedded
nonvolatile elements incorporate QuantumTrap technology
producing, the world’s most reliable nonvolatile memory. The
SRAM provides infinite read and write cycles; while
independent, nonvolatile data resides in the 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.
QuantumTrap
VCC
VCAP
1024 x 1024
A5 POWER
A6
STORE
CONTROL
A7
A8
A9
A 12
STATIC RAM
ARRAY
RECALL
STORE/
RECALL
CONTROL
HSB
A13 1024 X 1024
A 14
A 15
-A 16
SOFTWARE
DETECT
A15 A0
DQ 0
DQ 1
DQ 2
DQ 3
DQ 4
DQ 5
DQ 6
DQ 7
COLUMN IO
COLUMN DEC
A0 A1 A2 A3 A4 A10 A11
OE
CE
WE
Cypress Semiconductor Corporation
Document #: 001-06400 Rev. *E
• 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600
Revised January 24, 2007
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CY14B101L pdf
Pin Configurations
PRELIMINARY
CY14B101L
www.DataSheet4U.com
VCAP
A16
A14
A12
A7
A6
A5
NC
A4
NC
NC
NC
VSS
NC
NC
DQ0
A3
A2
A1
A0
DQ1
DQ2
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48-SSOP
Top View
(Not To Scale)
48 VCC
47 A15
46 HSB
45 WE
44 A13
43 A8
42 A9
41 NC
40 A11
39 NC
38 NC
37 NC
36 VSS
35 NC
34 NC
33 DQ6
32 OE
31 A10
30 CE
29 DQ7
28 DQ5
27 DQ4
26 DQ3
25 VCC
V CAP
A 16
A 14
A 12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
V SS
1
2
3
4
5
6
7 32-SOIC
8 Top View
9
(Not To Scale)
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V CC
A 15
HSB
WE
A 13
A8
A9
A 11
OE
A 10
CE
DQ7
DQ6
DQ5
DQ4
DQ3
Document #: 001-06400 Rev. *E
Page 2 of 18
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Part Number CY14B101L
Description 1-Mbit (128K x 8) nvSRAM
Maker Cypress Semiconductor - Cypress Semiconductor
Total Page 18 Pages
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