TC59SM808BFTL-70 Toshiba, TC59SM808BFTL-70 Datasheet - Page 33

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TC59SM808BFTL-70

Manufacturer Part Number
TC59SM808BFTL-70
Description
Manufacturer
Toshiba
Datasheet

Specifications of TC59SM808BFTL-70

Lead Free Status / Rohs Status
Not Compliant
1-7
1-8
1-9
1-10
1-11
1-12
Read with Auto Precharge command
( RAS = H, CAS = L, WE = H, BS0, BS1 = Bank, A10 = H, A0~A9, A11 = Column Address,
A12=Don't care)
Read operation. When the CAS Latency = 3, the internal precharge starts two cycles before the last
data is output. When the CAS Latency = 2, the internal precharge starts one cycle before the last data
is output (Figure 15). This command must not be interrupted by any other command.
on the TC59SM816BFT/BFTL.
Mode Register Set command
( RAS = L, CAS = L, WE = L, BS0, BS1, A0~A12 = Register Data)
Length in the Mode Register. The default values in the Mode Register after power-up are undefined,
therefore this command must be issued during the power-up sequence. Also, this command can be issued
while all banks are in the idle state.
No-Operation command
( RAS = H, CAS = H, WE = H)
Burst stop command
( RAS = H, CAS = H, WE = L)
Burst operation. During other types of Burst operation, the command is illegal.
Device Deselect command
( CS = H)
Address inputs are ignored. This command is similar to the No-Operation command.
Auto Refresh command
( RAS = L, CAS = L, WE = H, CKE = H, BS0, BS1, A0~A12 = Don’t care)
The Refresh operation must be performed 8192 times within 64 ms. The next command can be issued
after t
banks must be in the idle state. The Auto Refresh operation is equivalent to the CAS -before- RAS
operation in a conventional DRAM.
The Read with Auto Precharge command automatically performs the Precharge operation after the
The A11 input is “Don’t care” on the TC59SM808BFT/BFTL and the A9 and A11 inputs are “Don’t care”
The Mode Register Set command programs the values of CAS latency, Addressing Mode and Burst
The No-Operation command simply performs no operation.
The Burst stop command is used to stop the burst operation. This command is valid during a Full Page
The Device Deselect command disables the command decoder so that the RAS , CAS , WE and
The Auto Refresh command is used to refresh the row address provided by the internal refresh counter.
RC
from the end of the Auto Refresh command. When the Auto Refresh command is issued, All
TC59SM816/08/04BFT/BFTL-70,-75,-80
2001-06-11 33/49

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