参数资料
型号: MCIMX534AVV8C
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: 103/178页
文件大小: 4711K
代理商: MCIMX534AVV8C
i.MX53xA Automotive and Infotainment Applications Processors, Rev. 3
30
Freescale Semiconductor
Electrical Characteristics
4.3.2.2
LPDDR2 Mode I/O DC Parameters
The LPDDR2 interface fully complies with JESD209-2B LPDDR2 JEDEC standard release June, 2009.
Table 11. DDR2 I/O DC Electrical Parameters1
1 Note that the JEDEC SSTL_18 specification (JESD8-15a) for a SSTL interface for class II operation supersedes any
specification in this document.
Parameters
Symbol
Test Conditions
Min
Typ
Max
Unit
High-level output voltage2
2 OVDD is the I/O power supply (1.7 V–1.9 V for DDR2)
Voh
0.9*OVDD
V
Low-level output voltage
Vol
0.1*OVDD
V
Output minimum Source Current3
3 (Vout - OVDD) / Ioh must be less than 21
Ω for values of Vout between OVDD and OVDD-0.28 V.
Ioh
OVDD=1.7 V,
Vout=1.42 V
–13.4
mA
Output min Sink Current4
4 Vout / Iol must be less than 21
Ω for values of Vout between 0 V and 280 mV.
Iol
OVDD=1.7 V,
Vout=280 mV
13.4
mA
Input Reference Voltage
Vref
0.49*OVDD
0.5*OVDD
0.51*OVDD
DC input High Voltage (data pins)
Vihd
(dc)
Vref+0.125V
OVDD+0.3
V
DC input Low Voltage (data pins)
Vild (dc)
–0.3
Vref-0.125V
V
DC Input voltage range of each
differential input5
5 Vin(dc) specifies the allowable DC voltage exertion of each differential input.
Vin (dc)
–0.3
OVDD+0.3
V
DC Differential input voltage required for
switching 6
6 Vid(dc) specifies the input differential voltage |Vtr-Vcp| required for switching, where Vtr is the “true” input level and Vcp is the
“complementary” input level. The minimum value is equal to Vih(dc) -Vil(dc).
Vid (dc)
0.25
OVDD+0.6
V
Termination Voltage
Vtt
Vref – 0.04
Vref
Vref + 0.04
V
Input current (no pull-up/down)
Iin
Vin = 0 V
Vin=OVDD
1
μA
Keeper Circuit Resistance
1307
7 Use an off-chip pull resistor of less than 60 k
Ω to override this keeper.
—k
Ω
Table 12. LPDDR2 I/O DC Electrical Parameters1
Parameters
Symbol
Test Conditions
Min
Typ
Max
Unit
High-level output voltage
Voh
0.9*OVDD
V
Low-level output voltage
Vol
0.1*OVDD
V
Input Reference Voltage
Vref
0.49*OVDD
0.5*OVDD
0.51*OVDD
DC input High Voltage
Vih(dc)
Vref+0.13V
OVDD
V
DC input Low Voltage
Vil(dc)
OVSS
Vref-0.13V
V
相关PDF资料
PDF描述
MCP23008T-E/SO 8 I/O, PIA-GENERAL PURPOSE, PDSO18
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