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5M1270ZT64A4N 参数 Datasheet PDF下载

5M1270ZT64A4N图片预览
型号: 5M1270ZT64A4N
PDF下载: 下载PDF文件 查看货源
内容描述: MAX V器件手册 [MAX V Device Handbook]
分类和应用:
文件页数/大小: 166 页 / 4016 K
品牌: ALTERA [ ALTERA CORPORATION ]
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2–36  
Chapter 2: MAX V Architecture  
Document Revision History  
Table 2–8. MultiVolt I/O Support in MAX V Devices (Part 2 of 2) (Note 1)  
Input Signal  
VCCIO (V)  
Output Signal  
5.0 V 1.2 V 1.5 V 1.8 V 2.5 V 3.3 V 5.0 V  
1.2 V  
1.5 V 1.8 V 2.5 V 3.3 V  
v (4)  
v
v (5) v (6) v (6) v (6) v (6)  
v
v (7)  
3.3  
Notes to Table 2–8:  
(1) To drive inputs higher than VCCIO but less than 4.0 V including the overshoot, disable the I/O clamp diode. However, to drive 5.0-V signals to  
the device, enable the I/O clamp diode to prevent VI from rising above 4.0 V. Use an external diode if the I/O pin does not support the clamp  
diode.  
(2) When VCCIO = 1.8 V, a MAX V device can drive a 1.2-V or 1.5-V device with 1.8-V tolerant inputs.  
(3) When VCCIO = 2.5 V, a MAX V device can drive a 1.2-V, 1.5-V, or 1.8-V device with 2.5-V tolerant inputs.  
(4) When VCCIO = 3.3 V and a 2.5-V input signal feeds an input pin, the VCCIO supply current will be slightly larger than expected.  
(5) MAX V devices can be 5.0-Vtolerant with the use of an external resistor and the internal I/Oclamp diode on the 5M1270Z and 5M2210Z devices.  
Use an external clamp diode if the internal clamp diode is not available.  
(6) When VCCIO = 3.3 V, a MAX V device can drive a 1.2-V, 1.5-V, 1.8-V, or 2.5-V device with 3.3-V tolerant inputs.  
(7) When VCCIO = 3.3 V, a MAX V device can drive a device with 5.0-V TTL inputs but not 5.0-V CMOS inputs. For 5.0-V CMOS, open-drain setting  
with internal I/O clamp diode (available only on 5M1270Z and 5M2210Z devices) and external resistor is required. Use an external clamp diode  
if the internal clamp diode is not available.  
Document Revision History  
Table 2–9 lists the revision history for this chapter.  
Table 2–9. Document Revision History  
Date  
Version  
Changes  
December 2010  
1.0  
Initial release.  
MAX V Device Handbook  
December 2010 Altera Corporation  
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