參數(shù)資料
型號(hào)： ASM2I2318ANZ-48-AT
廠商： ALLIANCE SEMICONDUCTOR CORP
元件分類： 時(shí)鐘及定時(shí)
英文描述： Circular Connector; No. of Contacts:61; Series:MS27508; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:24; Circular Contact Gender:Pin; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:24-61 RoHS Compliant: No
中文描述： 2318 SERIES, LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO48
封裝： 0.300 INCH, SSOP-48
文件頁(yè)數(shù)： 2/13頁(yè)
文件大?。?/td> 547K
代理商： ASM2I2318ANZ-48-AT
June 2005
rev 0.3
ASM2I2318ANZ
18 Output, 3.3V SDRAM Buffer for Desktop PCs with 3 DIMMs
2 of
13
Notice: The information in this document is subject to change without notice.
Pin Configuration
48-Pin SSOP Package -- Top View
Pin
Description
Pins
Name
Type
Description
3, 7, 12, 16, 20,
DD
6, 10, 15, 19, 22,
SS
23
P
3.3V Digital voltage supply
P
Ground
V
DDIIC
P
Serial interface voltage supply
26
V
SSIIC
P
Ground for serial interface
11
BUF_IN
I
Input clock. 5V tolerant
Output Enable (active HIGH), Three-state outputs when low
1
Serial data input
1
. 5V tolerant
Serial clock input
1
. 5V tolerant
38
OE
I
24
SDATA
I/O
25
SCLK
I
4, 5, 8, 9
SDRAM [0–3]
O
SDRAM byte 0 clock outputs
13, 14, 17, 18
SDRAM [4–7]
O
SDRAM byte 1 clock outputs
31, 32, 35, 36
SDRAM [8–11]
O
SDRAM byte 2 clock outputs
40, 41, 44, 45
SDRAM [12–15]
O
SDRAM byte 3 clock outputs
21, 28
SDRAM [16–17]
O
SDRAM clock outputs usable for feedback
NC
Note: 1. Internal pull-up resistor to V
DD
(value > 100 KOhms)
1, 2, 47, 48
-
Reserved for future modifications, do not connect in system
SDRAM3
SDRAM2
SDRAM0
SDRAM1
NC
ASM2I2318ANZ
V
DD
V
DD
NC
V
SS
NC
V
DD
SDRAM13
SDRAM12
V
SS
V
SS
SDRAM15
SDRAM14
V
DD
OE
V
DD
NC
SDRAM11
SDRAM10
V
SS
V
DD
SDRAM9
SDRAM8
V
SS
V
DD
SDRAM17
V
SS
V
SSIIC
SCLOCK
V
SS
SDATA
BUF_IN
V
DD
V
DDIIC
V
SS
SDRAM16
V
DD
SDRAM7
V
SS
SDRAM6
SDRAM4
SDRAM5
V
DD
V
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ASM2I3805AG-20-AR 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V CMOS Buffer Clock Driver
ASM2I3805AG-20-AT 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V CMOS Buffer Clock Driver
ASM2I3805AG-20-DR 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V CMOS Buffer Clock Driver
ASM2I3805AG-20-DT 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V CMOS Buffer Clock Driver
ASM2I3805AG-20-SR 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V CMOS Buffer Clock Driver
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