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Part: MB8441-45PFQ
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Description:
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Datasheet: Download MB8441-45PFQ datasheet File size : 413 kB
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Datasheet text preview:
********** C-MOS 64K-BIT DUAL PORT STATIC RAM
TOP VIEW 51 40 49 48 47 46 45 44 43 42 41 30 39 38 37 36 35 34 3
MB8441-45PFQ(1/3) I L00
N NC
2 1 3 4 5 6 7 8 9
1 10 11 12 13 14 15 16 17 18 9
NC C
52 53 54 55 56 57 58 69 60 61 62 63 4
V
NC NC C
N
G
VDD(+5V)
NDD(+5V)
V
ND DD(+5V) G GND ND
C
32 31 20 29 28 27 26 25 24 23 22 21 0
(VDD = +5V) N PIN O. 2 1 3 4 5 6 7 8 9 1 10 11 12 13 14 15 6 I/O I I I I I I I I I I I -- -- O I /O SIGNAL A12L O AEL A0L A1L A2L A3L A4L A5L A6L A7L A8L NL 9 NC BC IE /O1L N PIN O. 17 18 29 20 21 22 23 24 25 26 27 28 39 30 31 2 I/O I/O I/O I/O I/O I/O I/O -- /O -- -- -- I I/O I/O I/O I/O /O SIGNAL I/O2L I/O3L I/O4L I/O5L I/O6L I/O7L G 8L /O GND VND G DD I ND I/O1R I/O2R I/O3R I/O4R /O5R N PIN O. 33 34 35 36 37 38 49 40 41 42 43 44 45 46 47 8 I/O I/O I/O -- /O -- -- I I I I I I I I I I SIGNAL I/O6R I/O7R /O8R N NC NC AC A9R A8R A7R A6R A5R A4R A3R A2R A1R 0R N PIN O. 5 49 50 51 52 53 54 55 56 57 58 69 60 61 62 63 4 I/O I I I O I I I -- -- I I I O I I SIGNAL A ER O A12R A11R I 10R B NTR WSYR U C ER VSR VDD CDD WSL B EL IUSYL A TL N A10L 11L
MB8441-45PFQ(2/3)
2 4 3 5 6 7 8 9 1 10 11 62 63 OEL A0L A1L A2L A3L A4L A5L A6L A7L A8L A9L B10L I NTL 22 49 OER I/O1L I/O2L I/O3L I/O4L I/O5L I/O6L I/O7L /O8L I 16 17 18 29 20 21 22 63
A0L - A10L, A0R - A10R B BE CUSYL, BUSYR I SL, CSR /O0L - I/O10L, I/O0R - I/O10R O INTL, INTR WEL, OER EL, WER
; ADDRESS INPUTS ; BUSY OUTPUT ENABLE ; BUSY INPUTS ; CHIP SELECT INPUTS ; DATA INPUTS/OUTPUTS ; INTERRUPT OUTPUTS ; OUTPUT ENABLE INPUTS ; WRITE ENABLE INPUTS
41
AUSYL 28 39 30 31 32 33 34 55
48 47 46 45 44 43 42 41 30 59 52
A0R A1R A2R A3R A4R A5R A6R A7R A8R A9R B10R
I/O1R I/O2R I/O3R I/O4R I/O5R I/O6R I/O7R I /O8R
NTR
3
4
USYR CSL 59 WEL 60 CSR 56 WER 55
MB8441-45PFQ(3/3)
WEL WER
WEL
60
55
WER
OSL C EL
59 2
OEL
OER
4 56 9
O CSR ER
I/O1L I/O2L I/O3L I/O4L I/O5L I/O6L I/O7L /O8L
28 3 29 30 31 32 33 34 5
28 39 30
I/O1R I/O2R I/O3R I/O4R I/O5R I/O6R I/O7R /O8R
B I/O UFFER
B I/O UFFER
31 32 33 34 5
A12L A11L A0L 1 A9L 8L
6 1 64 13 12 1
50 51
A12R A11R A10R A9R 8R
D ROW ECODER
D ROW ECODER
32 49 0
A7L A6L A5L A4L A3L A2L A1L 0L
10 9 8 7 6 5 4 3
41 42 43
A7R A6R A5R A4R A3R A2R A1R 0R
D OLUMN C ECODER
8.192 8 BIT C MEMORY ELL ARRAY
D OLUMN C ECODER
44 45 46 47 8
13
13
INTERRUPT
BUSYL I
61
54
I BUSYR
NTL
2
13 5
B TLR N E
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