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参数资料
| 型号： | MPC9456FA |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | 9456 SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封装： | 7 X 7 MM, 1.40 MM HEIGHT, 0.80 MM PITCH, MS-026BBA, LQFP-32 |
| 文件页数： | 6/12页 |
| 文件大小： | 312K |
| 代理商： | MPC9456FA |
Advanced Clock Drivers Devices
Freescale Semiconductor
3
MPC9456
Table 1. Pin Configuration
Pin
I/O
Type
Function
PECL_CLK,
PECL_CLK
Input
LVPECL
Differential clock reference
Low voltage positive ECL input
FSELA, FSELB, FSELC
Input
LVCMOS
Output bank divide select input
MR/OE
Input
LVCMOS
Internal reset and output tristate control
GND
Supply
Negative voltage supply output bank (GND)
VCCA, VCCB(1), VCCC
1. VCCB is internally connected to VCC.
Supply
Positive voltage supply for output banks
VCC
Supply
Positive voltage supply core (VCC)
QA0 – QA2
Output
LVCMOS
Bank A outputs
QB0 – QB2
Output
LVCMOS
Bank B outputs
QC0 – QC3
Output
LVCMOS
Bank C outputs
Table 2. Supported Single and Dual Supply Configurations
Supply Voltage Configuration
VCC(1)
1. VCC is the positive power supply of the device core and input circuitry. VCC voltage defines the input threshold and levels.
VCCA(2)
2. VCCA is the positive power supply of the bank A outputs. VCCA voltage defines bank A output levels.
VCCB(3)
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.
VCCC(4)
4. VCCC is the positive power supply of the bank C outputs. VCCC voltage defines bank C output levels.
GND
3.3 V
0 V
Mixed Voltage Supply
3.3 V
3.3 V or 2.5 V
3.3 V
3.3 V or 2.5 V
0 V
2.5 V
0 V
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)
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相关代理商/技术参数 |
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| MPC946 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:LOW VOLTAGE 1:10 CMOS CLOCK DRIVER |
| MPC947 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:LOW VOLTAGE 1:9 CLOCK DISTRIBUTION CHIP |
| MPC947FA | 制造商:Freescale Semiconductor 功能描述: |
| MPC948 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:LOW VOLTAGE 1:12 CLOCK DISTRIBUTION CHIP |
| MPC948FA | 制造商:Motorola Inc 功能描述:TWELVE DISTRIBUTED-OUTPUT CLOCK DRIVER, 32 Pin, Plastic, QFP |
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