IDT71P71804 Integrated Device Technology, IDT71P71804 Datasheet - Page 7

• Manufacturer Part Number: IDT71P71804
• Description: 1.8v 1m X 18 Ddr Ii Pipelined Sram
• Manufacturer: Integrated Device Technology

Write Descriptions
NOTES:
1) All byte write (B Wx) signals are sampled on the rising edge of K and again on
2) The availability of the B Wx on designated devices is described in the pin
3) The DDRII Burst of two SRAM has data forwarding. A read request that is
Signal
Write Byte 0
Write Byte 1
Write Byte 2
Write Byte 3
IDT71P71804 (1M x 18-Bit) 71P71604 (512K x 36-Bit)
18 Mb DDR II SRAM Burst of 2
K will sample the first byte of the two word burst and the rising edge of K will
sample the second byte of the two word burst.
latched into the input if the corresponding B Wx is held low. The rising edge of
description table.
K. The data that is present on the data bus in the designated byte will be
initiated on the cycle following a write request to the same address will
produce the newly written data.
BW
X
X
X
L
0
(1,2,3)
BW
X
X
X
L
1
BW
X
X
X
L
2
6112 tbl 09
BW
X
X
X
L
3
6.42
7
Linear Burst Sequence Table
NOTE:
1. SA
0
is the address presented giving the burst sequence a,b.
SA
0
1
0
a
0
1
Commercial Temperature Range
b
0
1
(1)
6112 tbl 22