General Description
4M Bytes (1M x 36) DRAM w/Parity 72Pin SIMM based on 1M X 4
45388 Warm Springs Blvd. Fremont, CA. 94539 Tel: (510) 668-2088 Fax: (510) 661-2788 support@unigen.com 1 of 3 Re-Tek- 322
Pin Name Function
A0 ~ A9 Address Inputs(1K Ref)
DQ0 ~ DQ35 Data In/Out
WE Read/Write Enable
RAS0 , RAS2 Row Address Strobe
CAS0 ~ CAS3 Column Address Strobe
PD1~ PD4 Presence Detect
Vcc Power(+5V)
Vss Ground
NC No Connection
Pin Names
Speed tRAC tCAC tRC
-6 60ns 17ns 110ns
-7 70ns 20ns 130ns
Performance Range
Features
Single +5 volt power supply
Fast Page Mode (FPM) operation
Low power dissipation
RAS only refresh cycles
CAS before RAS refresh cycles
Hidden refresh cycles
1024 refresh cycles every 16 ms
TTL compatible inputs and outputs
JEDEC standard PD Pin & pinout
PCB: Height(1000mil), single sided component
The UG9M13601DBG(T) is a 1,048,576 bits
by 36 SIMM module.The UG9M13601DBG(T)
is assembled using 8 pcs of 1Mx4 1K refresh
in 300mil package, and 1 pc of 1Mx4 Quad-CAS
DRAM in 300mil package mounted on a 72 Pin
printed circuit board.
Pin Assignment
Pin # Signal
1 VSS
2 DQ0
3 DQ18
4 DQ1
5 DQ19
6 DQ2
7 DQ20
8 DQ3
9 DQ21
10 VCC
11 NC
12 A0
13 A1
14 A2
15 A3
16 A4
17 A5
18 A6
19 NC
20 DQ4
21 DQ22
22 DQ5
23 DQ23
24 DQ6
25 DQ24
26 DQ7
27 DQ25
28 A7
29 NC
30 VCC
31 A8
32 A9
33 NC
34 RAS2
35 DQ26
36 DQ8
Pin # Signal
37 DQ17
38 DQ35
39 VSS
40 CAS0
41 CAS2
42 CAS3
43 CAS1
44 R AS0
45 NC
46 NC
47 WE
48 NC
49 DQ9
50 DQ27
51 DQ10
52 DQ28
53 DQ11
54 DQ29
55 DQ12
56 DQ30
57 DQ13
58 DQ31
59 VCC
60 DQ32
61 DQ14
62 DQ33
63 DQ15
64 DQ34
65 DQ16
66 NC
67 PD1
68 PD2
69 PD3
70 PD4
71 NC
72 VSS
Absolute Maximum Ratings
Part Identification
Part Number Plating Ref.Cy cle
UG9M13601DBT Tin 1K
UG9M13601DBG Gold 1K
Voltage Relative to GND -1.0 to +7.0 V
Operating Temperature 0 to +70 C
Storage Temperature -55 to +150 C
Short circuit Output Current 50mA
Power Dissipation 9.0W
UG9M13601DBG(T)
45388 Warm Springs Blvd. Fremont, CA. 94539 Tel: (510) 668-2088 Fax: (510) 661-2788 support@unigen.com 2 of 3 Re-Tek- 322
Functional Block Diagram
DQ8
DQ17
DQ26
DQ35
DQ0
DQ1
DQ2
DQ3
CAS
RAS
OE WE
Vcc
Vss
.1 or .22uF Capacitor
for each DRAM To all DRAMs
DQ0
DQ1
DQ2
DQ3
CAS
RAS
OE WE
DQ0
DQ1
DQ2
DQ3
CAS
RAS
OE WE
DQ0
DQ1
DQ2
DQ3
CAS
RAS
OE WE
DQ0
DQ1
DQ2
DQ3
CAS
RAS
OE WE
DQ0
DQ1
DQ2
DQ3
CAS
RAS
OE WE
DQ0
DQ1
DQ2
DQ3
CAS
RAS
OE WE
DQ0
DQ1
DQ2
DQ3
CAS
RAS
OE WE
DQ0
DQ1
DQ2
DQ3
CAS0
CAS1
CAS2
CAS3
RAS
OE WE A0 - A9
WE
DQ31-DQ34
DQ27-DQ30
DQ22-DQ25
DQ18-DQ21
DQ13-DQ16
DQ9-DQ12
DQ4-DQ7
DQ0-DQ3
U0
U1
U2
U3
U4
U5
U6
U7
CAS0
RAS0
CAS1
CAS2
CAS3
U8
A0 - A9
A0 - A9
A0 - A9
A0 - A9
A0 - A9
A0 - A9
A0 - A9
A0 - A9
A0 - A9
UG9M13601DBG(T)
RAS2
Units : Inches (millimeters)
Tolerances : .005(.13) unless otherwise specified
Physical Dimension
72 Pin SIMM Module
+
_
45388 Warm Springs Blvd. Fremont, CA. 94539 Tel: (510) 668-2088 Fax: (510) 661-2788 support@unigen.com 3 of 3 Re-Tek- 322
.133(3.38)
4.250(107.95)
3.984(101.19)
.125(3.17)
R.062±.004(R1.57±.10)
.250(6.35)
3.750(95.25)
.250(6.35)
Gold & Solder Plating Lead
.010(.25)MAX
.050(1.27) .041 .004(1.04±.10)
.100(2.54)
MIN
.200(5.08)
MAX
.054(1.37)
1.000 (25.40 )
MIN
.400(10.16)
.125 DIA±.002(3.18±.051) R.062(1.57)
.250(6.35)
.080(2.03)
.047(1.19)
( Back view )
( Front view )
±
UG9M13601DBG(T)