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STK14D88 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

Part No. STK14D88
Description  32K x 8 AutoStore nvSRAM CMOS Nonvolatile Static RAM
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Maker  ETC [List of Unclassifed Manufacturers]
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STK14D88 Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers

 
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STK14D88
April 2005
Document Control #ML0033 rev 1.2
2
PACKAGES
VCAP
DQ0
DQ1
DQ2
G
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
VCC
A13
A8
A11
VSS
DQ6
A10
DQ7
DQ5
DQ4
DQ3
A9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
W
HSB
E
32 Pin SOIC
48 Pin SSOP
VCAP
VSS
A14
A12
A7
A6
A5
A4
VCC
A13
A8
DQ0
VSS
DQ6
A9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
W
HSB
DQ1
DQ2
G
A3
A2
A1
A0
DQ5
A10
DQ7
DQ4
DQ3
VCC
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
E
A11
PIN DESCRIPTIONS
Pin Name
I/O
Description
A14 – A0
Input
Address: The 15 address inputs select one of 32,752 bytes in the nvSRAM array.
DQ7 –DQ0
I/O
Data: Bi-directional 8-bit data bus for accessing the nvSRAM.
E
Input
Chip Enable: The active low E
input selects the device.
W
Input
Write Enable: The active low W
enables data on the DQ pins to be written to the address location latched by
the falling edge of E .
G
Input
Output Enable: The active low G input enables the data output buffers during read cycles. De-asserting G
high causes the DQ pins to tri-state.
VCC
Power Supply
Power 3.0V +20%, -10%
HSB
I/O
Hardware Store Busy: When low this output indicates a Hardware Store is in progress. When pulled low external
to the chip it will initiate a nonvolatile STORE operation. A weak internal pull up resistor keeps this pin high if not
connected. (Connection Optional)
VCAP
Power Supply
Autostore
Capacitor: Supplies power to nvSRAM during power loss to store data from SRAM to nonvolatile
elements.
VSS
Power Supply
Ground
(Blank)
No Connect
Unlabeled pins have no internal connection.
Relative PCB area usage.
See website for detailed
package size specifications.


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