k7a803601m Samsung Semiconductor, Inc., k7a803601m Datasheet - Page 6

• Manufacturer Part Number: k7a803601m
• Description: 256kx36 & 512kx18 Synchronous Sram
• Manufacturer: Samsung Semiconductor, Inc.

K7A803601M
K7A801801M
TRUTH TABLES
SYNCHRONOUS TRUTH TABLE
Notes : 1. X means "Don t Care".
WRITE TRUTH TABLE
Note : 1. X means "Don t Care".
WRITE TRUTH TABLE
Note : 1. X means "Don t Care".
CS
H
X
H
X
H
X
H
X
H
L
L
L
L
L
L
L
1
GW
2. All inputs in this table must meet setup and hold time around the rising edge of CLK( ).
GW
H
H
H
H
H
L
3. WRITE = L means Write operation in WRITE TRUTH TABLE.
4. Operation finally depends on status of asynchronous input pins(ZZ and OE).
H
H
H
H
H
H
2. All inputs in this table must meet setup and hold time around the rising edge of CLK( ).
L
WRITE = H means Read operation in WRITE TRUTH TABLE.
CS
X
X
X
H
H
H
X
X
X
X
X
X
X
X
L
L
2
CS
H
H
X
X
X
L
L
L
X
X
X
X
X
X
X
X
BW
2
BW
H
X
L
L
L
L
H
X
L
L
L
L
L
ADSP ADSC
(x18)
(x36)
X
X
X
H
H
H
X
H
X
H
X
H
X
L
L
L
2. The rising edge of clock is symbolized by .
H
H
H
H
H
H
H
H
L
X
X
L
L
X
L
L
WEa
WEa
X
H
H
X
L
L
H
H
H
X
X
L
L
ADV
X
X
X
X
X
X
X
X
H
H
H
H
L
L
L
L
WRITE
WEb
X
X
X
X
X
X
H
H
H
H
H
L
L
L
L
L
WEb
X
H
H
X
L
L
H
H
H
X
L
L
X
256Kx36 & 512Kx18 Synchronous SRAM
CLK
- 6 -
ADDRESS ACCESSED
WEc
X
H
H
H
X
L
L
External Address
External Address
External Address
Current Address
Current Address
Current Address
Current Address
Next Address
Next Address
Next Address
Next Address
N/A
N/A
N/A
N/A
N/A
WEd
X
H
H
H
X
L
L
WRITE ALL BYTEs
WRITE ALL BYTEs
WRITE BYTE a
WRITE BYTE b
OPERATION
READ
READ
Continue Burst Read Cycle
Continue Burst Read Cycle
Continue Burst Write Cycle
Continue Burst Write Cycle
Suspend Burst Read Cycle
Suspend Burst Read Cycle
Suspend Burst Write Cycle
Suspend Burst Write Cycle
Begin Burst Read Cycle
Begin Burst Read Cycle
Begin Burst Write Cycle
WRITE BYTE c and d
WRITE ALL BYTEs
WRITE ALL BYTEs
WRITE BYTE a
WRITE BYTE b
OPERATION
Not Selected
Not Selected
Not Selected
Not Selected
Not Selected
OPERATION
READ
READ
May 1999
Rev 3.0