參數(shù)資料
型號: UG4256G6412FQG0
廠商: Electronic Theatre Controls, Inc.
英文描述: 2M Bytes (256K x 64) SGRAM 144Pin SODIMM based on 256K x 32
中文描述: 200萬字節(jié)(256K × 64)SGRAM 144Pin支持的SODIMM在256K × 32的
文件頁數(shù): 1/3頁
文件大?。?/td> 115K
代理商: UG4256G6412FQG0
General Description
2M Bytes (256K x 64)
UG4256G6412FQG0
support@unigen.com
45388 Warm Springs Blvd. Fremont, CA. 94539 Tel: (510) 668-2088
Fax: (510) 661-2788
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Re-Tek- 436
The UG4256G6412FQG0 is a 256K byte by 64 bits
2M SGRAM SODIMM module .The UG4256G6412FQG0
is assembled using 2 pcs of 256K x 32 SGRAMs mounted
on 144 pin unbuffered printed circuit board.
Pin Names
Pin Assignment
Features
Single 3.3 +/- 0.3V power supply
Burst Mode Operation
BLOCK WRITE and WRITE-BIT modes
Internal pipelined operation; column address can
be changed every clock cycle
All inputs are sampled at the positive
going edge of the system clock
Programmable burst lengths : 1,2,4,8 or full page
Auto & self refresh capability (1024 Cycles/16ms)
LVTTL compatible inputs and output
Serial PD with EEPROM
JEDEC standard
PCB:Height (1100mil),single sided component
SGRAM 144Pin SODIMM based on 256K x 32
Absolute Maximum Ratings
Voltage Relative to GND -1.0 to +4.6 V
Operating Temperature 0 to +70 C
Storage Temperature -55 to +150 C
Short-circuit Output Current 50mA
Power Dissipation 2.0 W
Pin # Signal
1 VSS
3 DQ63
5 DQ61
7 DQ59
9 DQ57
11 VCC
13 DQ55
15 DQ53
17 DQ51
19 DQ49
21 VSS
23 DQM7
25 DQM5
27 VCC
29 DQ47
31 DQ45
33 DQ43
35 DQ41
37 VSS
39 DQ39
41 DQ37
43 DQ35
45 DQ33
47 VCC
49 RSVD
51 RSVD
53 RSVD
55 VSS
57 DSF
59 RFU
61 RFU
63 VCC
65 NC
67 RAS
69 WE
71 VSS
Pin # Signal
2 VSS
4 DQ62
6 DQ60
8 DQ58
10 DQ56
12 VCC
14 DQ54
16 DQ52
18 DQ50
20 DQ48
22 VSS
24 DQM6
26 DQM4
28 VCC
30 DQ46
32 DQ44
34 DQ42
36 DQ40
38 VSS
40 DQ38
42 DQ36
44 DQ34
46 DQ32
48 VCC
50 RSVD
52 RSVD
54 RSVD
56 VSS
58 RFU
60 RFU
62 SBA
64 VCC
66 CS0
68 CAS
70 CKE
72 VSS
Pin # Signal
73 NC
75 VCC
77 RSVD
79 NC
81 BA(A9)
83 A7
85 VSS
87 A5
89 A3
91 A1
93 VCC
95 DQ31
97 DQ29
99 DQ27
101 DQ25
103 VSS
105 DQ23
107 DQ21
109 DQ19
111 DQ17
113 VCC
115 DQM3
117 DQM1
119 VSS
121 DQ15
123 DQ13
125 DQ11
127 DQ9
129 VCC
131 DQ7
133 DQ5
135 DQ3
137 DQ1
139 VSS
141 SDA
143 VCC
Pin # Signal
74 CLK0
76 VCC
78 RSVD
80 NC
82 A8
84 A6
86 VSS
88 A4
90 A2
92 A0
94 VCC
96 DQ30
98 DQ28
100 DQ26
102 DQ24
104 VSS
106 DQ22
108 DQ20
110 DQ18
112 DQ16
114 VCC
116 DQM2
118 DQM0
120 VSS
122 DQ14
124 DQ12
126 DQ10
128 DQ8
130 VCC
132 DQ6
134 DQ4
136 DQ2
138 DQ0
140 VSS
142 SCL
144 VCC
Pin Name
A0 ~ A8
BA(A9)
DQ0 ~ DQ63
Function
Address input (Multiplexed)
Select bank
Data input/output
CLK0
CKE
CS0
RAS
CAS
WE
DSF
Clock input
Clock enable input
Chip select input
Row address storbe
Colume address strobe
Write enable
Define special function
DQM0 ~ 7
DQM
Power supply (3.3V)
V
CC
V
SS
SDA
Serial data I/O
SCL
Serial clock
NC
No connection
Ground
SBA
EEPROM Device Address
RFU
Reserved for future use
RSVD
Reserved
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