UG8M43222(4)KVG(T)
16M Bytes (4M x 32) DRAM 72Pin SIMM based on 4M X 4
General Description
The UG8M43222(4)KVG(T) is a 4,149,304 bits
by 32 SIMM module. The UG8M43222(4)KVG(T)
is assembled using 8pcs of 4Mx4 2K/4K refresh
DRAMs in 24 pin TSOP package mounted on a
72-Pin printed circuit board.
Features
•
•
•
•
•
•
•
•
•
•
Single +3.3V ± 10% volt power supply
Hyper- page Mode (EDO) operation
Low power dissipation
RAS only refresh cycles
CAS before RAS refresh cycles
Hidden refresh cycles
2048/4096 refresh cycles every 32/64 ms
LVTTL compatible inputs and outputs
JEDEC standard PD Pin & pinout
PCB : Height(1000mil), single sided component
Pin Assignment
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Signal
VSS
DQ0
DQ16
DQ1
DQ17
DQ2
DQ18
DQ3
DQ19
VCC
NC
A0
A1
A2
A3
A4
A5
A6
A10
DQ4
DQ20
DQ5
DQ21
DQ6
DQ22
DQ7
DQ23
A7
A11
VCC
A8
A9
NC
NC
NC
NC
Pin #
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
Signal
NC
NC
VSS
CAS0
CAS2
CAS3
CAS1
RAS0
NC
NC
WE
NC
DQ8
DQ24
DQ9
DQ25
DQ10
DQ26
DQ11
DQ27
DQ12
DQ28
VCC
DQ29
DQ13
DQ30
DQ14
DQ31
DQ15
NC
PD1
PD2
PD3
PD4
NC
VSS
Tel: (510) 668-2088
Absolute Maximum Ratings
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•
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Voltage Relative to GND
-0.5 to +4.6 V
Operating Temperature
0 to +70 C
Storage Temperature
-55 to +150 C
Short circuit Output Current
50mA
Power Dissipation
8.0W
Performance Range
Speed
-5
-6
t
RAC
55ns
65ns
t
CAC
18ns
20ns
t
RC
89ns
109ns
Part Identification
Part Number
UG8M43222KVT
UG8M43222KVG
UG8M43224KVT
UG8M43224KVG
Plating
Tin
Gold
Tin
Gold
Ref.Cycle
2K
2K
4K
4K
Pin Names
Pin Name
A0 ~ A10
A0 ~ A11
DQ0 ~ DQ31
WE
RAS0
CAS0 ~ CAS3
PD1 ~ PD4
Vcc
Vss
NC
Function
Address Inputs(2K Ref)
Address Inputs(4K Ref)
Data In/Out
Read/Write Enable
Row Address Strobe
Column Address Strobe
Presence Detect
Power(+3.3V)
Ground
No Connection
45388 Warm Springs Blvd. Fremont, CA. 94539
Fax: (510) 661-2788
support@unigen.com
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UG8M43222(4)KVG(T)
Functional Block Diagram
CAS0
RAS0
DQ0
CAS
DQ1
U0
RAS
DQ2
A0-
OE WE A11(A10) DQ3
DQ0
CAS
DQ1
U1
RAS
DQ2
A0-
OE WE A11(A10) DQ3
CAS1
DQ0
CAS
DQ1
U2
RAS
DQ2
A0-
OE WE A11(A10) DQ3
DQ0
CAS
DQ1
U3
RAS
DQ2
A0-
OE WE A11(A10) DQ3
CAS2
RAS2
DQ0
CAS
DQ1
U4
RAS
DQ2
A0-
OE WE A11(A10) DQ3
DQ0
CAS
DQ1
U5
RAS
DQ2
A0-
OE WE A11(A10) DQ3
CAS3
DQ0
CAS
U6
DQ1
RAS
DQ2
A0-
OE WE A11(A10) DQ3
DQ0
CAS
U7
DQ1
RAS
DQ2
A0-
OE WE A11(A10) DQ3
WE
*A0-A11(A10)
DQ0-DQ3
DQ4-DQ7
DQ8-DQ11
DQ12-DQ15
DQ16-DQ19
DQ20-DQ23
DQ24-DQ27
DQ28-DQ31
Vcc
.1 or .22uF Capacitor
for each DRAM
Vss
*A11 is used for 4K ref. only.
To all DRAMs
45388 Warm Springs Blvd. Fremont, CA. 94539
Tel: (510) 668-2088
Fax: (510) 661-2788
support@unigen.com
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UG8M43222(4)KVG(T)
Physical Dimension
72 Pin SIMM Module
4.250(107.95)
3.984(101.19)
.133(3.38)
R.062(1.57)
.125 DIA±.002(3.18±.051)
.400(10.16)
1.00(25.40)
.250(6.35)
.080(2.03)
.250(6.35)
.250(6.35)
3.750(95.25)
R.062±.004(R1.57±.10)
.125(3.17)
MIN
( Front view )
( Back view )
Gold & Solder Plating Lead
.200(5.08)
MAX
.010(.25)MAX
.100(2.54)
MIN
.050(1.27)
.041±.004(1.04±.10)
.054(1.37)
.047(1.19)
Tolerances :
±.005(.13)
unless otherwise specified
Units : Inches (millimeters)
45388 Warm Springs Blvd. Fremont, CA. 94539
Tel: (510) 668-2088
Fax: (510) 661-2788
support@unigen.com
3 of 3
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