STK12C68-SF55M 查看數據表（PDF） - Unspecified
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STK12C68-SF55M Datasheet PDF : 13 Pages
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STK12C68
SOFTWARE-CONTROLLED STORE/RECALL CYCLEv
(VCC = 5.0V ± 10%)e
SYMBOLS
NO.
Standard Alternate
PARAMETER
STK12C68-25 STK12C68-35 STK12C68-45 STK12C68-55
UNITS NOTES
MIN MAX MIN MAX MIN MAX MIN MAX
33
tAVAV
tRC
STORE/RECALL Initiation Cycle Time 25
35
45
55
ns
p
34
tAVEL
tAS
Address Set-up Time
0
0
0
0
ns
u
35
tELEH
tCW
Clock Pulse Width
20
25
30
30
ns
u
36
tELAX
Address Hold Time
20
20
20
20
ns
u
37
tRECALL
RECALL Duration
20
20
20
20
µs
Note u: The software sequence is clocked with E controlled READs.
Note v: The six consecutive addresses must be in the order listed in the Hardware 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
ADDRESS
33
tAVAV
ADDRESS #1
33
tAVAV
ADDRESS #6
34
tAVEL
35
tELEH
E
DQ (DATA OUT)
36
tELAX
DATA VALID
/ 28
37
tSTORE tRECALL
DATA VALID
HIGH IMPEDANCE
October 2003
7 Document Control # ML0008 rev 0.4
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