MT28C6428P20 Micron Semiconductor Products, Inc., MT28C6428P20 Datasheet - Page 43

• Manufacturer Part Number: MT28C6428P20
• Description: 4 Meg X 16 Asynchronous/page Flash 512K X 16 SRAM Combo Memory
• Manufacturer: Micron Semiconductor Products, Inc.

TIMING TEST CONDITIONS
NOTE: For input/output contacts, refer to the Capacitance Table.
SRAM READ CYCLE TIMING
SRAM WRITE CYCLE TIMING
4 Meg x 16 Asynchronous/Page Flash 512K x 16 SRAM Combo Memory
MT28C6428P20_3.p65 – Rev. 3, Pub. 7/02
DESCRIPTION
READ cycle time
Address access time
Address access time (word mode)
Chip enable to valid output
Output enable to valid output
Byte select to valid output
Chip enable to Low-Z output
Output enable to Low-Z output
Byte select to Low-Z output
Chip enable to High-Z output
Output disable to High-Z output
Byte select disable to High-Z output
Output hold from address change
DESCRIPTION
WRITE cycle time
Chip enable to end of write
Address valid to end of write
Byte select to end of write
Address setup time
Write pulse width
Write recovery time
Write to High-Z output
Data to write time overlap
Data hold from write time
End write to Low-Z output
Input pulse levels ........... 0.1V S_V
Input rise and fall times .................................... 5ns
Input timing reference levels ......................... 0.5V
Output timing reference levels ..................... 0.5V
Operating Temperature ............... -40
CC
to 0.9V S_V
t
t
o
LBHZ,
LBW,
C to +85
t
SYMBOL
LBZ,
SYMBOL
t
LB,
t
t
t
t
t
AAW
t
t
t
t
t
t
t
WHZ
t
t
t
t
OHZ
t
OLZ
t
t
t
OW
AW
DW
OH
WC
CW
WP
WR
AA
CO
DH
4 MEG x 16 ASYNCHRONOUS/PAGE FLASH
RC
OE
HZ
AS
LZ
t
t
t
t
UB
UBZ
UBHZ
UBW
o
CC
C
S_V
S_V
43
512K x 16 SRAM COMBO MEMORY
MIN
MIN
50
30
CC
CC
0
0
0
0
0
0
5
0
0
0
0
0
= 1.80V–2.20V
= 1.80V–2.20V
-80
-80
Micron Technology, Inc., reserves the right to change products or specifications without notice.
MAX
MAX
80
80
25
80
20
80
15
15
15
80
80
80
80
15
S_V
S_V
MIN
MIN
CC
CC
50
30
0
0
0
0
0
0
5
0
0
0
0
0
= 1.70V–1.90V
= 1.70V–1.90V
-85
-85
MAX
MAX
85
85
25
85
20
85
15
15
15
85
85
85
85
15
©2002, Micron Technology, Inc.
ADVANCE
UNITS
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns