SPEAR300-2 STMicroelectronics, SPEAR300-2 Datasheet - Page 58

• Manufacturer Part Number: SPEAR300-2
• Description: IC MPU ARM9 289LFBGA
• Manufacturer: STMicroelectronics
• Series: SPEAr®r

Specifications of SPEAR300-2

• Processor Type: ARM Microprocessor
• Speed: 333MHz
• Voltage: 1.14 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 289-LFBGA
• Processor Series: SPEAr300
• Core: ARM926EJ-S
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 333 MHz
• Operating Supply Voltage: 1.2 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Data Ram Size: 56 KB
• Interface Type: I2C, UART, USB, Serial
• Number Of Programmable I/os: 62
• Number Of Timers: 6
• Program Memory Size: 32 KB
• Program Memory Type: ROM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-10849-5

Timing requirements
6.1.2
58/83
Table 26.
DDR2 write cycle timings
Figure 9.
Figure 10. DDR2 Write cycle path
Table 27.
DQS
CLK
DQ
Frequency
333 MHz
266 MHz
200 MHz
166 MHz
133 MHz
DDR2 Read cycle timings (continued)
DDR2 Write cycle waveforms
DDR2 Write cycle timings
Frequency
t4
166 MHz
133 MHz
t6
t5
Doc ID 16324 Rev 2
t4 max
1.36
1.55
1.86
2.11
2.49
t4
t6
2.00 ns
2.37 ns
t4 max
t5
t5 max
-1.55
-1.36
-1.05
- 794
-420
t4
t6
t5 max
260 ps
634 ps
t5
Unit
ns
ns
ns
ns
ns
SPEAr300