stk12c68-5kf35m Simtek Corporation, stk12c68-5kf35m Datasheet - Page 8

• Manufacturer Part Number: stk12c68-5kf35m
• Description: 8kx8 Autostore Nvsram
• Manufacturer: Simtek Corporation

STK12C68, STK12C68-5 (SMD5962-94599)
Document Control #ML0008 Rev 2.0
SOFTWARE-CONTROLLED STORE/RECALL CYCLE
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:
Note v: The six consecutive addresses must be in the order listed in the Software STORE/RECALL Mode Selection Table: (0000, 1555, 0AAA, 1FFF,
SOFTWARE STORE/RECALL CYCLE: E Controlled
NO.
DQ (DATA OUT)
33
34
35
36
37
ADDRESS
June, 2008
Standard
MA0002 http://www.simtek.com/attachments/AppNote02.pdf.
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.
t
t
t
t
t
AVAV
AVEL
ELEH
ELAX
RECALL
SYMBOLS
E
Alternate
t
t
t
RC
AS
CW
t
AVEL
34
STORE/RECALL Initiation Cycle Time
Address Set-up Time
Clock Pulse Width
Address Hold Time
RECALL Duration
ADDRESS #1
t
AVAV
33
PARAMETER
t
DATA VALID
ELEH
35
t
ELAX
36
STK12C68-5-25
MIN
STK12C68,
8
25
20
20
0
MAX
20
ADDRESS #6
STK12C68-5-35
MIN
t
STK12C68,
AVAV
35
25
20
0
33
v
DATA VALID
v
MAX
20
STK12C68-5-45
t
STORE
MIN
STK12C68,
45
30
20
0
28
HIGH IMPEDANCE
/
t
MAX
RECALL
20
(V
37
CC
STK12C68-5-55 UNITS NOTES
MIN
STK12C68,
55
30
20
0
= 5.0V ± 10%)
MAX
20
μs
ns
ns
ns
ns
p
u
u
u
e