k7i161884b Samsung Semiconductor, Inc., k7i161884b Datasheet - Page 9

• Manufacturer Part Number: k7i161884b
• Description: 512kx36-bit, 1mx18-bit Ddrii Cio B4 Sram
• Manufacturer: Samsung Semiconductor, Inc.

K7I161884B
K7I163684B
TRUTH TABLES
SYNCHRONOUS TRUTH TABLE
Notes: 1. X means “Don′t Care”.
WRITE TRUTH TABLE
Notes: 1. X means "Don′t Care".
WRITE TRUTH TABLE
Notes: 1. X means “Don′t Care”.
Stopped
K
↑
↑
↑
↑
↑
2. The rising edge of clock is symbolized by (↑ ).
3. Before enter into clock stop status, all pending read and write operations will be completed.
2. All inputs in this table must meet setup and hold time around the rising edge of input clock K or K ( ↑ ).
3. Assumes a WRITE cycle was initiated.
4. This table illustrates operation for x18 devices.
2. All inputs in this table must meet setup and hold time around the rising edge of input clock K or K ( ↑ ).
3. Assumes a WRITE cycle was initiated.
K
K
↑
↑
↑
↑
↑
↑
↑
K
↑
↑
↑
↑
↑
LD
X
H
L
L
K
↑
↑
↑
↑
(x18)
(x36)
BW
H
H
H
H
H
H
L
L
L
L
0
R/W
BW
X
X
H
L
H
H
H
H
L
L
L
L
0
BW
H
H
H
H
H
H
L
L
L
L
1
Din at K(t+1)
Previous
Q
High-Z
C(t+1)
Q(A0)
state
OUT
BW
BW
at
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
1
2
512Kx36 & 1Mx18 DDRII CIO b4 SRAM
Din at K(t+1)
- 9 -
Previous
Q
High-Z
C(t+2)
Q(A1)
state
OUT
BW
H
H
H
H
H
H
L
L
L
L
3
at
Q
Din at K(t+2)
Previous
Q
High-Z
Q(A2)
C(t+2)
state
OUT
WRITE ALL BYTEs ( K↑ )
WRITE ALL BYTEs ( K↑ )
WRITE NOTHING ( K↑ )
WRITE NOTHING ( K↑ )
at
WRITE BYTE 2 and BYTE 3 ( K↑ )
WRITE BYTE 2 and BYTE 3 ( K↑ )
WRITE BYTE 0 ( K↑ )
WRITE BYTE 0 ( K↑ )
WRITE BYTE 1 ( K↑ )
WRITE BYTE 1 ( K↑ )
WRITE ALL BYTEs ( K↑ )
WRITE ALL BYTEs ( K↑ )
OPERATION
WRITE NOTHING ( K↑ )
WRITE NOTHING ( K↑ )
WRITE BYTE 0 ( K↑ )
WRITE BYTE 0 ( K↑ )
WRITE BYTE 1 ( K↑ )
WRITE BYTE 1 ( K↑ )
Din at K(t+2)
Previous
Q
High-Z
C(t+3)
Q(A3)
state
OPERATION
OUT
at
Rev. 5.0 July 2006
No Operation
OPERATION
Clock Stop
Read
Write