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ASM2I99456G-32-LR Datasheet(PDF) 3 Page - PulseCore Semiconductor

Part # ASM2I99456G-32-LR
Description  3.3V/2.5V LVCMOS Clock Fanout Buffer
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Manufacturer  PULSECORE [PulseCore Semiconductor]
Direct Link  http://www.onsemi.com/
Logo PULSECORE - PulseCore Semiconductor

ASM2I99456G-32-LR Datasheet(HTML) 3 Page - PulseCore Semiconductor

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November 2006
ASM2I99456
rev 0.3
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
Input
LVCMOS
Internal reset and output tristate control
8,11,15,20,24,27,31
GND
Supply
Negative Voltage supply output bank (GND)
25,29
18,22
9,13, 17
VCCA,
VCCB
1,
VCCC
Supply
Positive Voltage supply for output banks
2
VCC
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
QC0 - QC3
Output
LVCMOS
Bank C Outputs
1
NC
No Connect
Note:1 VCCB is internally connected to VCC.
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
2.5V
2.5V
2.5V
2.5V
0 V
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
Table 3. Function Table (Controls)
Control
Default
0
1
FSELA
0
fQA0:2 = fREF
fQA0:2 = fREF ÷2
FSELB
0
fQB0:2 = fREF
fQB0:2 = fREF ÷2
FSELC
0
fQC0:3 = fREF
fQC0:3 = fREF ÷2
MR/OE
0
Outputs enabled
Internal reset
Outputs disabled (tristate)
Table 4. Absolute Maximum Ratings
1
Symbol
Characteristics
Min
Max
Unit
Condition
VCC
Supply Voltage
-0.3
4.6
V
VIN
DC Input Voltage
-0.3
VCC+0.3
V
VOUT
DC Output Voltage
-0.3
VCC+0.3
V
IIN
DC Input Current
±20
mA
IOUT
DC Output Current
±50
mA
TS
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.


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