AS6C4008-55ZIN Alliance Memory, AS6C4008-55ZIN Datasheet - Page 4

• Manufacturer Part Number: AS6C4008-55ZIN
• Description: SRAM 4M, 2.7-5.5V, 55ns 512K x 8 Asynch SRAM
• Manufacturer: Alliance Memory

Specifications of AS6C4008-55ZIN

• Rohs: yes
• Memory Size: 4 Mbit
• Organization: 512 K x 8
• Access Time: 55 ns
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 2.7 V
• Maximum Operating Current: 50 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Package / Case: TSOP-II 32 Pin
• Interface: Parallel
• Maximum Clock Frequency: 18 MHz
• Factory Pack Quantity: 135

CAPACITANCE
n I
Input/Output Capacitance
Note : These parameters are guaranteed by device characterization, but not production tested.
AC TEST CONDITIONS
n I
n I
Input and Output Timing Reference Levels
O
AC ELECTRICAL CHARACTERISTICS
(1) READ CYCLE
R
Address Access Time
Chip Enable Access Time
Output Enable Access Time
Chip Enable to Output in Low-Z
Output Enable to Output in Low-Z
Chip Disable to Output in High-Z
Output Disable to Output in High-Z
Output Hold from Address Change
(2) WRITE CYCLE
W
Address Valid to End of Write
Chip Enable to End of Write
Address Set-up Time
W
Write Recovery Time
Data to Write Time Overlap
Data Hold from End of Write Time
Output Active from End of Write
Write to Output in High-Z
*These parameters are guaranteed by device characterization, but not production tested.
e
u
p
p
p
i r
i r
a
p t
t u
t u
t u
e t
e t
PARAMETER
d
AUG09 v1.4
t u
C
P
R
C
P
C
u
a
s i
L
u
c y
c y
s l
p
o
s l
e
a
e l
a
e l
e
e
a
PARAMETER
c
PARAMETER
d
L
a t i
n
i T
W
i T
e
d
m
m
d i
v
n
F
e
c
e
e
h t
l l a
2009
s l
e
i T
(T
m
A
e
= 25 , f
s
℃
512K X 8 BIT LOW POWER CMOS SRAM
= 1.0MHz)
SYM.
SYM.
t
SYMBOL
t
t
t
t
t
t
WHZ
CHZ
OHZ
CLZ
OLZ
t
t
t
t
t
t
t
OW
t
t
t
t
t
ACE
WC
CW
WP
WR
DW
RC
OE
OH
AW
Alliance Memory Inc
AA
AS
DH
C
C
*
*
*
*
*
*
I/O
IN
MIN.
MIN.
AS6C4008-55
AS6C4008
55
10
10
0
3
1.5V
C
55
50
50
45
25
5
0
0
0
5
-
-
-
-
-
-
2 .
n
L
s
V
= 30pF + 1TTL, I
o t
MIN.
V
CC
-
-
MAX.
MAX.
-55
55
55
30
20
20
20
- 0.2V
-
-
-
-
-
-
-
-
-
-
-
-
OH
UNIT
UNIT
/I
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
OL
MAX
= -2mA/4mA
6
8
AS6C4008
Page 4 of 14
UNIT
pF
pF