k6r4008v1b-c Samsung Semiconductor, Inc., k6r4008v1b-c Datasheet - Page 7

• Manufacturer Part Number: k6r4008v1b-c
• Description: 512kx8 Bit High Speed Static Ram 3.3v Operating .
• Manufacturer: Samsung Semiconductor, Inc.

K6R4008V1B-C/B-L, K6R4008V1B-I/B-P
TIMING WAVEFORM OF WRITE CYCLE(2)
TIMING WAVEFORM OF WRITE CYCLE(3)
TIMING WAVEFORM OF WRITE CYCLE(1)
Address
CS
WE
Data in
Data out
Address
CS
WE
Data in
Data out
Address
CS
WE
Data in
Data out
OE
High-Z
High-Z
High-Z
High-Z
t
AS(4)
t
t
AS(4)
AS(4)
t
(OE=Low Fixed)
(CS = Controlled)
LZ
(OE= Clock)
t
OHZ(6)
- 7 -
t
WHZ(6)
t
WHZ(6)
t
t
t
AW
AW
AW
t
CW(3)
t
t
CW(3)
CW(3)
t
t
t
t
WC
WC
WC
WP1(2)
t
WP(2)
t
WP(2)
High-Z(8)
High-Z(8)
Valid Data
t
Valid Data
Valid Data
DW
t
t
DW
DW
t
t
WR(5)
t
t
t
t
WR(5)
WR(5)
DH
DH
DH
t
OW
High-Z(8)
CMOS SRAM
PRELIMINARY
High-Z
(10)
May 1999
Rev 2.2
(9)