STK14CA8 Simtek, STK14CA8 Datasheet - Page 7

• Manufacturer Part Number: STK14CA8
• Description: 128Kx8 Autostore nvSRAM
• Manufacturer: Simtek

Document Control #ML0022 Rev 1.5
AutoStore/POWER-UP RECALL
Note i:
Note j:
Note k: Industrial Grade Devices require 15 ms MAX.
AutoStore/POWER-UP RECALL
POWER-UP RECALL
Read & Write Inhibited
NO.
22
23
24
25
February 2007
t
If an SRAM WRITE has not taken place since the last nonvolatile cycle, no STORE will take place
HRECALL
AutoStore
Standard
t
t
V
V
HRECALL
STORE
V
SWITCH
CCRISE
SWITCH
Note: Read and Write cycles will be ignored during STORE, RECALL and while V
24
starts from the time V
TM
SYMBOLS
V
CC
t
VCCRISE
Alternate
t
HLHZ
POWER-UP
25
RECALL
t
HRECALL
22
CC
rises above V
Power-up RECALL Duration
STORE Cycle Duration
Low Voltage Trigger Level
V
CC
Rise Time
SWITCH
BROWN OUT
AutoStore
t
STORE
23
7
PARAMETER
TM
STORE occurs only if a
POWER-UP
SRAM write has
RECALL
t
happened.
HRECALL
22
CC
is below V
POWER DOWN
t
AutoStore
STORE
23
MIN
150
SWITCH
STK14CA8
without at least one
No STORE occurs
TM
STK14CA8
SRAM write.
MAX
12.5
2.65
20
UNITS NOTES
ms
ms
μs
V
j,k
i