参数资料
型号: RTPXA270C0C312
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 312 MHz, RISC PROCESSOR, PBGA356
封装: 13 X 13 MM, 1 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, VFBGA-356
文件页数: 116/128页
文件大小: 1560K
代理商: RTPXA270C0C312
6-24
Electrical, Mechanical, and Thermal Specification
Intel PXA270 Processor
AC Timing Specifications
6.4.4.1.2
Synchronous Flash Read Parameters and Timing Diagrams
Table 6-17 lists the timing parameters used in Figure 6-15, and, for stacked flash packages,
Table 6-17. Synchronous Flash Read AC Specifications (Sheet 1 of 2)
Symbols
Parameters
MIN
TYP
MAX MIN
TYP
MAX
MIN
TYP
MAX
Units
No
tes
Divide by 12
Divide by 23
Divide by 44
tffCLK
SDCLK0 period
9.6
38.5
19.
2
76.9
38.5
154
ns
1
tffAS
MA<25:0> setup to
nSDCAS (as
nADV) asserted
1
1
2
1
4
CLK_MEM
tffCES
nCS setup to
nSDCAS (as
nADV) asserted
1
1
2
1
4
CLK_MEM
tffADV
nSDCAS (as
nADV) pulse width
1
1
3
3
7
7
CLK_MEM
tffOS
nSDCAS (as
nADV) deassertion
to nOE assertion
1
FCC – 1
(for
FCC<5)
FCC – 2
(for
FCC>=5)
13
2
(FCC – 1)
* 2
(for
FCC<5)
(FCC – 2)
* 2
(for
FCC>=5)
26
7
(FCC * 4)
– 7
(for
FCC<5)
(FCC – 2)
* 4
(for
FCC>=5)
52
CLK_MEM
5
tffCEH
nOE deassertion to
nCS deassertion
4
4
8
8
16
16
CLK_MEM
tffDS
CLK to data valid
2
FCC
15
2
FCC
15
2
FCC
15
CLK_MEM
5
VCC_MEM =
1.8V +20% / -5%6
VCC_MEM =
2.5V +/- 10%7
VCC_MEM =
3.3V +/- 10%8
tffSDOS
MA<25:0>,
MD<31:0>,
DQM<3:0>,
nCS<3:0>,
nSDCAS (nADV),
nWE, nOE,
RDnWR output
setup time to
SDCLK<2:1> rise
TBD
TB
D
TBD
ns
tffSDOH
MA<25:0>,
MD<31:0>,
DQM<3:0>,
nCS<3:0>,
nSDCAS (nADV),
nWE, nOE,
RDnWR output
hold time from
SDCLK<2:1> rise
TBD
TB
D
TBD
ns
VCC_CORE = 0.85 V +/
– 10%, with 1.71 V<=
VCC_MEM <= 3.63 V
VCC_CORE = 1.1 V +/–
10%, with 1.71 V <=
VCC_MEM <= 3.63 V
VCC_CORE = 1.3 V +/–
10%, with 1.71 V <=
VCC_MEM <= 3.63 V
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