mcf5282 Freescale Semiconductor, Inc, mcf5282 Datasheet - Page 291

• Manufacturer Part Number: mcf5282
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Speed grade (-8E)
10 rows, 8 columns
Two bank-select lines to access four internal banks
ACTV
Period between auto-refresh and
ACTV
Precharge command to
Last data input to
Auto-refresh period for 4096 rows (t
-to-read/write delay (t
command to precharge command (t
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
Table 15-25. SDRAM Example Specifications
PALL
command (t
Parameter
ACTV
RCD
command (t
)
ACTV
RWL
REF
command (t
)
)
RAS
RP
)
)
RC
)
40 MHz (25-ns period)
20 ns (min.)
70 ns
48 ns (min.)
20 ns (min.)
1 bus clock (25 ns)
64 mS
Specification
Synchronous DRAM Controller Module
15-19