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參數資料
| 型號： | MC10EP016FA |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | 3.3V / 5VECL 8-Bit Synchronous Binary Up Counter |
| 中文描述： | 10E SERIES, SYN POSITIVE EDGE TRIGGERED 8-BIT UP BINARY COUNTER, PQFP32 |
| 封裝： | LQFP-32 |
| 文件頁數： | 9/12頁 |
| 文件大小： | 110K |
| 代理商： | MC10EP016FA |
MC10EP016, MC100EP016
http://onsemi.com
9
Applications Information
(continued)
EP01
Q0 to Q7
P0 to P7
CLK
TC
PE
CE
Figure 6. 32-Bit Cascaded EP016 Programmable Divider
LO
CLK
CLK
CLK
MSB
LSB
EP016
EP01
EP01
Q0 to Q7
Q0 to Q7
Q0 to Q7
P0 to P7
P0 to P7
P0 to P7
EP016
EP016
EP016
CLK
TC
PE
CE
CLK
CLK
TC
PE
CE
CLK
CLK
TC
PE
CE
CLK
Figure 6 shows a typical block diagram of a 32-bit divider
chain. Once again to maximize the frequency of operation
EP01 OR gates were used. For lower frequency applications
a slower OR gate could replace the EP01. Note that for a
16-bit divider the OR function feeding the PE (program
enable) input CANNOT be replaced by a wire OR tie as the
TC output of the least significant EP016 must also feed the
CE input of the most significant EP016. If the two TC
outputs were OR tied the cascaded count operation would
not operate properly. Because in the cascaded form the PE
feedback is external and requires external gating, the
maximum frequency of operation will be significantly less
than the same operation in a single device.
Maximizing EP016 Count Frequency
The EP016 device produces 9 fast transitioning
single–ended outputs, thus V
CC
noise can become
significant in situations where all of the outputs switch
simultaneously in the same direction. This V
CC
noise can
negatively impact the maximum frequency of operation of
the device. Since the device does not need to have the Q
outputs terminated to count properly, it is recommended that
if the outputs are not going to be used in the rest of the system
they should be left unterminated. In addition, if only a subset
of the Q outputs are used in the system only those outputs
should be terminated. Not terminating the unused outputs
will not only cut down the V
CC
noise generated but will also
save in total system power dissipation. Following these
guidelines will allow designers to either be more aggressive
in their designs or provide them with an extra margin to the
published data book specifications.
相關PDF資料 |
PDF描述 |
|---|---|
| MC10EP016FAR2 | 3.3V / 5VECL 8-Bit Synchronous Binary Up Counter |
| MC10EP01 | 3.3V / 5V ECL 4-Input OR/NOR |
| MC10EP01DR2 | 3.3V / 5V ECL 4-Input OR/NOR |
| MC100EP01D | 3.3V / 5V ECL 4-Input OR/NOR |
| MC100EP01DR2 | 3.3V / 5V ECL 4-Input OR/NOR |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC10EP016FAG | 功能描述:計數器移位寄存器 3.3V/5V ECL 8-Bit Synchronous Binary RoHS:否 制造商:Texas Instruments 計數器類型: 計數順序:Serial to Serial/Parallel 電路數量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| MC10EP016FAR2 | 功能描述:計數器移位寄存器 3.3V/5V ECL 8-Bit RoHS:否 制造商:Texas Instruments 計數器類型: 計數順序:Serial to Serial/Parallel 電路數量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| MC10EP016FAR2G | 功能描述:計數器移位寄存器 3.3V/5V ECL 8-Bit Synchronous Binary RoHS:否 制造商:Texas Instruments 計數器類型: 計數順序:Serial to Serial/Parallel 電路數量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| MC10EP01D | 功能描述:邏輯門 3.3V/5V ECL 4-Input RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| MC10EP01DG | 功能描述:邏輯門 3.3V/5V ECL 4-Input OR/NOR RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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