pdm41028 ETC-unknow, pdm41028 Datasheet - Page 6

• Manufacturer Part Number: pdm41028
• Description: 1 Megabit Static Ram 256k X 4-bit
• Manufacturer: ETC-unknow

Write Cycle No. 1 (Write Enable Controlled)
Write Cycle No. 2 (Write Enable Controlled)
Write Cycle No. 3 (Chip Enable Controlled)
6
ADDR
D
NOTE: Output Enable (OE) is inactive (high)
ADDR
OUT
ADDR
D
WE
D
D
CE
OUT
IN
OUT
WE
D
WE
D
CE
CE
IN
IN
HIGH-Z
t
t
AS
AS
t
AS
t
AW
t
t
AW
AW
t
t
HZWE
t
WC
WC
t
t
t
t
WP2
CW
WC
t
CW
WP1
t
HIGH-Z
t
WP1
DS
HIGH-Z
t
CW
DATA VALID
DATA VALID
t
HIGH-Z
DS
t
DATA VALID
DS
t
AH
t
AH
t
DH
t
DH
t
t
AH
LZWE
t
DH
Rev. 2.2 - 4/29/98
PDM41028