参数资料
型号: MCIMX537CVV8C
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 800 MHz, RISC PROCESSOR, PBGA529
封装: 19 X 19 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, TEPBGA-529
文件页数: 109/172页
文件大小: 4562K
代理商: MCIMX537CVV8C
Electrical Characteristics
i.MX53 Applications Processors for Industrial Products, Rev. 3
Freescale Semiconductor
41
4.5.3
LVIO I/O AC Electrical Characteristics
AC electrical characteristics for LVIO I/O in slow and fast modes are presented in the Table 25 and
Table 26, respectively. Note that the fast or slow I/O behavior is determined by the appropriate control bit
in the IOMUXC control registers.
Output AC differential cross point voltage4
Vox(ac)
Vref 0.15
Vref + 0.15
V
Single output slew rate
tsr
At 25
Ω to Vref
2.5
5
V/ns
Skew between pad rise/fall asymmetry +
skew caused by SSN
tSKD
clk=266MHz
clk=400MHz
——
0.2
0.1
ns
1 Note that the JEDEC JESD79_3C specification supersedes any specification in this document.
2 Vid(ac) specifies the input differential voltage |Vtr-Vcp| required for switching, where Vtr is the “true” input signal and Vcp is
the “complementary” input signal. The Minimum value is equal to Vih(ac) – Vil(ac).
3 The typical value of Vix(ac) is expected to be about 0.5 * OVDD. and Vix(ac) is expected to track variation of OVDD. Vix(ac)
indicates the voltage at which differential input signal must cross.
4 The typical value of Vox(ac) is expected to be about 0.5 * OVDD and Vox(ac) is expected to track variation in OVDD. Vox(ac)
indicates the voltage at which differential output signal must cross.
Table 25. LVIO I/O AC Parameters in Slow Mode
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Input Transition Times1
1 Hysteresis mode is recommended for inputs with transition times greater than 25 ns.
trm
25
ns
Table 24. LPDDR2 I/O DDR3 mode AC Characteristics1 (continued)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
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相关代理商/技术参数
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