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: 134/172页
文件大小: 4562K
代理商: MCIMX537CVV8C
i.MX53 Applications Processors for Industrial Products, Rev. 3
64
Freescale Semiconductor
Electrical Characteristics
Figure 29 and Table 41 show the address and control timing parameters for LPDDR2.
Figure 29. DDR SDRAM Address and Control Timing Parameters for LPDDR2
DDR4
CS, RAS, CAS, CKE, WE, ODT setup time
tIS
0.6
ns
DDR5
CS, RAS, CAS, CKE, WE, ODT hold time
tIH
0.6
ns
DDR6
Address output setup time
tIS
0.6
ns
DDR7
Address output hold time
tIH
0.6
ns
1 All timings are refer to Vref level cross point.
2
Reference load model is 25 ohm resistor from each of the DDR outputs to VDD_REF.
Table 41. DDR SDRAM Timing Parameter Table for LPDDR21 2
1 All timings are refer to Vref level cross point.
2
Reference load model is 25 ohm resistor from each of the DDR outputs to VDD_REF.
ID
Parameter
Symbol
SDCLK = 400 MHz
Units
Min
Max
LP1
SDRAM clock high-level width
tCH
0.45
0.55
tCK
LP2
SDRAM clock low-level width
tCL
0.45
0.55
tCK
LP3
CS, CKE setup time
tIS
0.3
ns
LP4
CS, CKE hold time
tIH
0.3
ns
LP3
CA setup time
tIS
0.3
ns
LP4
CA hold time
tIH
0.3
ns
Table 40. DDR SDRAM Timing Parameter Table1 2 (continued)
ID
Parameter
Symbol
SDCLK = 400 MHz
Units
Min
Max
CK
CS
CKE
CA
LP4
LP3
LP4
LP3
LP2
LP3
LP1
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