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參數(shù)資料
| 型號： | ASM2I99456 |
| 廠商： | Alliance Semiconductor Corporation |
| 英文描述： | 3.3V/2.5V LVCMOS Clock Fanout Buffer |
| 中文描述： | 3.3V/2.5V的LVCMOS時鐘扇出緩沖器 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 554K |
| 代理商： | ASM2I99456 |
June 2005
rev 0.2
ASM2I99456
3.3V/2.5V LVCMOS Clock Fanout Buffer
3 of 14
Notice: The information in this document is subject to change without notice.
Table 1. Pin Configuration
Pin Number
Pin
I/O
Type
Function
3
4
PECL_CLK,
PECL_CLK
Input
LVPECL
Differential Clock reference
Low Voltage positive ECL input
5,6,7
FSELA, FSELB,
FSELC
Input
LVCMOS
Output bank divide select input
32
MR/OE
GND
VCCA,
VCCB
1
,
VCCC
VCC
Input
LVCMOS
Internal reset and output tristate control
8,11,15,20,24,27,31
25,29
18,22
9,13, 17
2
Supply
Negative Voltage supply output bank (GND)
Supply
Positive Voltage supply for output banks
Supply
Positive Voltage supply core (VCC)
30,28,26
QA0 - QA2
Output
LVCMOS
Bank A Outputs
23,21,19
QB0 - QB2
Output
LVCMOS
Bank B Outputs
10,12,14,16
1
Note:1 VCCB is internally connected to VCC.
QC0 - QC3
NC
Output
LVCMOS
Bank C Outputs
No Connect
-
-
Table 2. Supported Single and Dual Supply Configurations
Supply voltage
configuration
VCC
1
VCCA
2
VCCB
3
VCCC
4
GND
3.3V
3.3V
3.3V
3.3V
3.3V
0V
Mixed voltage supply
3.3V
3.3V or 2.5V
3.3V
3.3V or 2.5V
0 V
2.5V
Note: 1 VCC is the positive power supply of the device core and input circuitry. VCC voltage defines the input threshold and levels
2 VCCA is the positive power supply of the bank A outputs. VCCA voltage defines bank A output levels
3 VCCB is the positive power supply of the bank B outputs. VCCB voltage defines bank B output levels. VCCB is internally connected to VCC.
4 VCCC is the positive power supply of the bank C outputs. VCCC voltage defines bank C output levels
2.5V
2.5V
2.5V
2.5V
0 V
Table 3. Function Table (Controls)
Control
FSELA
FSELB
FSELC
MR/OE
Default
0
0
0
0
1
f
QA0:2
= f
REF
f
QB0:2
= f
REF
f
QC0:3
= f
REF
f
QA0:2
= f
REF
÷2
f
QB0:2
= f
REF
÷2
f
QC0:3
= f
REF
÷2
Internal reset
Outputs disabled (tristate)
0
Outputs enabled
Table 4. Absolute Maximum Ratings
1
Symbol
V
CC
Characteristics
Min
-0.3
Max
4.6
Unit
V
Condition
Supply Voltage
V
IN
DC Input Voltage
-0.3
V
CC
+0.3
V
V
OUT
DC Output Voltage
-0.3
V
CC
+0.3
V
I
IN
DC Input Current
±20
mA
I
OUT
DC Output Current
±50
mA
T
S
Storage temperature
-40
125
°C
Note: These are stress ratings only and are not implied for functional use. Exposure to absolute maximum ratings for prolonged periods of time may affect
device reliability.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ASM2I99456-32-ER | 3.3V/2.5V LVCMOS Clock Fanout Buffer |
| ASM2I99456-32-ET | 3.3V/2.5V LVCMOS Clock Fanout Buffer |
| ASM2I99456-32-LR | 3.3V/2.5V LVCMOS Clock Fanout Buffer |
| ASM2I99456-32-LT | 3.3V/2.5V LVCMOS Clock Fanout Buffer |
| ASM2P20807A | 2.5V CMOS 1-TO-10 CLOCK DRIVER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASM2I99456-32-ER | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V/2.5V LVCMOS Clock Fanout Buffer |
| ASM2I99456-32-ET | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V/2.5V LVCMOS Clock Fanout Buffer |
| ASM2I99456-32-LR | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V/2.5V LVCMOS Clock Fanout Buffer |
| ASM2I99456-32-LT | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V/2.5V LVCMOS Clock Fanout Buffer |
| ASM2I99456G-32-ER | 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:3.3V/2.5V LVCMOS Clock Fanout Buffer |
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