stk14ee8-tf45tr Simtek Corporation, stk14ee8-tf45tr Datasheet - Page 7

• Manufacturer Part Number: stk14ee8-tf45tr
• Description: 1mx8 Autostore Nvsram
• Manufacturer: Simtek Corporation

Document Control #ML0068 Rev 1.0
Preliminary
AutoStore™/POWER-UP RECALL
Note i:
Note j:
AutoStore™/POWER-UP RECALL
POWER-UP RECALL
Read & Write Inhibited
NO.
22
23
24
25
March, 2008
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
Simtek Confidential
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
STK14EE8
without at least one
No STORE occurs
TM
STK14EE8
SRAM write.
MAX
12.5
2.65
20
UNITS
ms
ms
μs
V
NOTES
i
j