7025E 데이터 시트보기 (PDF) - MAXWELL TECHNOLOGIES
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7025E Datasheet PDF : 20 Pages
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(8K x 16-Bit) Dual Port RAM High-Speed CMOS
7025E
PARAMETER
TABLE 9. 7025E AC PARAMETERS FOR INTERRUPT TIMING
(VCC = 5V ± 10%, TA = -55 TO 125 °C, f = 1 MHZ)
SYMBOL
MIN
MAX
UNITS
Address Setup Time
Write Recovery Time
Interrupt Set Time
-35
-45
tAS
0
--
ns
tWR
0
--
ns
tINS
ns
--
30
--
35
Interrupt Reset Time
-35
-45
tINR
ns
--
30
--
35
TABLE 10. 7025E TRUTH TABLE FOR INTERRUPT FLAG CONTROL 1
FUNCTION
Left Port
Set right INTL flag
Reset right INTL flag
Set left INTL flag
Reset left INTL flag
Right Port
Set right INTR flag
Reset right INTR flag
Set left INTR flag
Reset left INTR flag
R/W
CS
L
L
X
X
X
X
X
L
X
X
X
L
L
L
X
X
OS
A0-A12
INT
X
1FFF
X
X
X
X
X
X
L2
L
1FFE
H3
X
X
L3
L
1FFF
H2
X
1FFE
X
X
X
X
1. Assumes BUSYL = BUSYR = H.
2. If BUSYR = L, then no change.
3. If BUSYL = L, then no change.
1000586
12.19.01 Rev 2
All data sheets are subject to change without notice 7
©2001 Maxwell Technologies
All rights reserved.
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