參數(shù)資料
型號： ASM2I99456-32-LT
廠商： ALLIANCE SEMICONDUCTOR CORP
元件分類： 時鐘及定時
英文描述： 3.3V/2.5V LVCMOS Clock Fanout Buffer
中文描述： 99456 SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
封裝： 7 X 7 MM, LQFP-32
文件頁數(shù)： 3/14頁
文件大?。?/td> 554K
代理商： ASM2I99456-32-LT
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
ASM2P20807A 2.5V CMOS 1-TO-10 CLOCK DRIVER
ASM2P20807A-20-AR Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT08; Number of Contacts:32; Connector Shell Size:18; Connecting Termination:Solder; Circular Shell Style:Right Angle Plug
ASM2P20807A-20-AT Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT08; Number of Contacts:3; Connector Shell Size:8; Connecting Termination:Solder; Circular Shell Style:Right Angle Plug
ASM2P20807A-20-DR Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT08; Number of Contacts:3; Connector Shell Size:8; Connecting Termination:Solder; Circular Shell Style:Right Angle Plug
ASM2P20807A-20-DT Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT08; Number of Contacts:3; Connector Shell Size:8; Connecting Termination:Solder; Circular Shell Style:Right Angle Plug
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
ASM2I99456G-32-ET 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:3.3V/2.5V LVCMOS Clock Fanout Buffer
ASM2I99456G-32-LR 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:3.3V/2.5V LVCMOS Clock Fanout Buffer
ASM2I99456G-32-LT 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:3.3V/2.5V LVCMOS Clock Fanout Buffer
ASM2P20805A 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V CMOS Dual 1-To-5 Clock Driver
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