OKI MSC23V43257D-60BS8, MSC23V43257D-70BS8, MSC23V43257D-50BS8 Datasheet
Semiconductor
MSC23V43257D-xxBS8
4,194,304-word x 32-b i t DYNAMIC RAM MODULE : FAST PAGE MODE TYPE WITH EDO
This vers i on: Apr. 13. 1999
DESCRIPTION
The MSC23V43257D-xxBS8 is a 4,194,304-word x 32-bit CMOS dynamic random access memory module which is
composed of ei ght 16Mb(4Mx 4) DRAMs i n TSOP packages m ounted with eight decoupl ing capac itors. Thi s is an
100-pin dual in-line memory module. This module supports any application where high density and large capacity of
storage mem or y ar e r equired.
FEATURES
· 4,194,304-word x 32- bit organization
· 100-pin Dual In-line Memory Module
· Gold tab
· Singl e 3.3V power supply, ±0.3V tolerance
· Input : LVTTL compatible
· Output : LVTTL compatible, 3-state
· Refresh : 2048cycles/32ms
· /CAS before /RAS refresh, hidden refr esh, /RAS only refresh capability
· Fast page mode with EDO, read modify write c apability
· Multi-bit test mode capability
· Serial Presence Detect
PRODUCT FAMILY
Access Time (Max. ) Power Dissipation (M ax.)
Family
t
RAC
t
AA
t
CAC
t
OEA
Cycle
Time
(Min.)
Operating Standby
MSC23V43257D-50BS8 50ns 25ns 13ns 13ns 84ns 2880mW
MSC23V43257D-60BS8 60ns 30ns 15ns 15ns 104ns 2592mW
MSC23V43257D-70BS8 70ns 35ns 20ns 20ns 124ns 2304mW
14.4mW
Semiconductor MSC23V43257D
MODULE OUTLINE
1
50
R1.0
19.05±0.1
6.35±0.1
84.17 T yp.
90.19T yp.
4.0M i n.
4.00M ax.
(Uni t : mm)
MSC23V43257D-xxBS 8
2 - R2.0±0.1
2 - φ3.0±0.1
1.27±0.1
2.0±0.1
3.12±0.13
1.27±0.1
0.23M i n.
1.0±0.1
0.20
6.35±0.1
Detail A
34.29±0.1
17.80±0.13
3.0±0.13
2.0±0.1
6.35±0.1
Detail B
3.12±0.13
Detail C
A B C
25.40±0.13
4.175±0.13
3.175±0.13
88.19±0.2
90.19 ±0.2
R1.0
2.50
Semiconductor MSC23V43257D
PIN C ONFIGURATION
Front Side Back Side Front Side Back Side
Pin No. Pin Name Pin No. Pin Name Pin No. Pin Name Pin No. Pin Name
1VSS51 V
SS
26 V
SS
76 V
SS
2DQ052DQ827NC77NC
3 DQ1 53 DQ9 28 /WE 78 /O E
4 DQ2 54 DQ10 29 /RAS0 79 NC
5 DQ3 55 DQ11 30 /RAS2 80 NC
6VCC56 V
CC
31 V
CC
81 V
CC
7 DQ4 57 DQ12 32 NC 82 NC
8 DQ5 58 DQ13 33 NC 83 NC
9 DQ6 59 DQ14 34 NC 84 NC
10 DQ7 60DQ1535 NC 85 NC
11 /CAS0 61 /CAS1 36 V
SS
86 V
SS
12 V
SS
62 V
SS
37 /CAS2 87 /CAS3
13 A0 63 A1 38 DQ16 88 DQ 24
14 A2 64 A3 39 DQ17 89 DQ 25
15 A4 65 A5 40 DQ18 90 DQ 26
16 A6 66 A7 41 DQ19 91 DQ 27
17 A8 67 A9 42 V
CC
92 V
CC
18 A10 68 NC 43DQ2093DQ28
19 NC 69 NC 44 DQ21 94 DQ29
20 NC 70 NC 45 DQ22 95 DQ30
21 V
CC
71 V
CC
46 DQ23 96 DQ31
22 NC 72 NC 47 V
SS
97 V
SS
23 NC 73 NC 48 SDA 98 SA0
24 NC 74 NC 49 SCL 99 SA1
25 NC 75 NC 50 V
CC
100 SA2
Loading...