STK16C88 Simtek, STK16C88 Datasheet - Page 3

• Manufacturer Part Number: STK16C88
• Description: CMOS Nonvolatile Static RAM
• Manufacturer: Simtek

February 2002
SRAM READ CYCLES #1 & #2
Note f:
Note g: I/O state assumes E, G < V
Note h: Measured + 200mV from steady state output voltage.
SRAM READ CYCLE #1: Address Controlled
SRAM READ CYCLE #2: E Controlled
DQ (DATA OUT)
DQ (DATA OUT)
NO.
10
11
1
2
3
4
5
6
7
8
9
ADDRESS
ADDRESS
W must be high during SRAM READ cycles and low during SRAM WRITE cycles.
t
t
t
t
t
t
t
t
t
t
t
ELQV
AVAV
AVQV
GLQV
AXQX
ELQX
EHQZ
GLQX
GHQZ
ELICCH
EHICCL
#1, #2
I
CC
G
E
f
g
g
h
h
SYMBOLS
e
d
,
e
t
t
t
t
t
t
t
t
t
t
t
ACS
RC
AA
OE
OH
LZ
HZ
OLZ
OHZ
PA
PS
Alt.
IL
and W > V
Chip Enable Access Time
Read Cycle Time
Address Access Time
Output Enable to Data Valid
Output Hold after Address Change
Chip Enable to Output Active
Chip Disable to Output Inactive
Output Enable to Output Active
Output Disable to Output Inactive
Chip Enable to Power Active
Chip Disable to Power Standby
STANDBY
t
ELICCH
t
t
IH
AXQX
ELQX
10
t
5
6
GLQX
; device is continuously selected.
8
t
GLQV
PARAMETER
4
f
t
AVAV
2
t
t
ACTIVE
AVQV
ELQV
1
3
5-67
t
AVAV
2
f, g
DATA VALID
STK16C88-25
MIN
25
5
5
0
0
MAX
25
25
10
10
10
25
DATA VALID
STK16C88-35
MIN
35
5
5
0
0
(V
t
GHQZ
9
MAX
CC
35
35
15
13
13
35
t
EHQZ
7
t
EHICCL
= 5.0V
1 1
STK16C88-45
MIN
45
5
5
0
0
STK16C88
MAX
45
45
20
15
15
45
10%)
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns