STK14C88 Simtek, STK14C88 Datasheet - Page 2

• Manufacturer Part Number: STK14C88
• Description: 32Kx8 AutoStore nvSRAM
• Manufacturer: Simtek

STK14C88
Document Control #ML0014 Rev 0.3
PIN DESCRIPTIONS
PIN CONFIGURATIONS
A
DQ
E
W
G
V
HSB
V
V
14
CCX
CAP
SS
Pin Name
7
-A
-DQ
V
DQ
DQ
February, 2007
DQ
V
0
A
A
A
CAP
NC
32-Pin 300 mil SOIC
32-Pin 300 mil CDIP
SS
A
A
A
A
A
A
A
0
14
0
12
1
2
7
6
5
2
1
4
3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Input
I/O
Input
Input
Input
Power Supply
I/O
Power Supply
Power Supply
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
I/O
A
V
W
G
NC
DQ
DQ
DQ
HSB
A
E
DQ
DQ
A
A
A
CCX
10
8
11
13
9
6
4
3
7
5
Address: The 15 address inputs select one of 32,768 bytes in the nvSRAM array
Data: Bi-directional 8-bit data bus for accessing the nvSRAM
Chip Enable: The active low E input selects the device
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
Output Enable: The active low G input enables the data output buffers during read cycles.
De-asserting G high caused the DQ pins to tri-state.
Power: 5.0V, ± 10%
Hardware Store Busy: When low this output indicates a Store is in progress. When pulled
low external to the chip, it will initiate a nonvolatile STORE operation. A weak pull up resistor
keeps this pin high if not connected. (Connection Optional).
AutoStore Capacitor: Supplies power to nvSRAM during power loss to store data from
SRAM to nonvolatile storage elements.
Ground
2
32-Pin 450 mil LCC
Description