STK12C68, STK12C68-5 (SMD5962-94599)
SOFTWARE-CONTROLLED STORE/RECALL CYCLEv
(VCC = 5.0V ± 10%)e
STK12C68,
STK12C68-5-25 STK12C68-5-35 STK12C68-5-45 STK12C68-5-55
UNITS NOTES
STK12C68,
STK12C68,
STK12C68,
SYMBOLS
NO.
PARAMETER
Standard Alternate
MIN
25
0
MAX
MIN
35
0
MAX
MIN
45
0
MAX
MIN
55
0
MAX
33
34
35
36
37
t
t
t
t
t
t
t
t
STORE/RECALL Initiation Cycle Time
Address Set-up Time
Clock Pulse Width
ns
ns
ns
ns
μs
p
u
u
u
AVAV
RC
AS
AVEL
20
20
25
20
30
20
30
20
ELEH
ELAX
RECALL
CW
Address Hold Time
RECALL Duration
20
20
20
20
Note u: The software sequence is clocked on the falling edge of E without involving G (double clocking will abort the sequence). See application note:
MA0002 http://www.simtek.com/attachments/AppNote02.pdf.
Note v: The six consecutive addresses must be in the order listed in the Software STORE/RECALL Mode Selection Table: (0000, 1555, 0AAA, 1FFF,
10F0, 0F0F) for a STORE cycle or (0000, 1555, 0AAA, 1FFF, 10F0, 0F0E) for a RECALL cycle. W must be high during all six consecutive
cycles.
SOFTWARE STORE/RECALL CYCLE: E Controlledv
33
AVAV
33
t
AVAV
t
ADDRESS #1
ADDRESS #6
ADDRESS
34
AVEL
35
t
ELEH
t
E
36
ELAX
t
28
37
RECALL
t
STORE / t
HIGH IMPEDANCE
DATA VALID
DATA VALID
DQ (DATA OUT)
Rev 2.0
Document Control #ML0008
June, 2008
8
SIMTEK [ SIMTEK CORPORATION ]
