STK14C88-M Simtek, STK14C88-M Datasheet - Page 2

• Manufacturer Part Number: STK14C88-M
• Description: 32K x 8 AUTOSTORE nvSRAM QUANTUM TRAP CMOS NONVOLATILE STATIC RAM
• Manufacturer: Simtek

STK14C88-M
ABSOLUTE MAXIMUM RATINGS
Voltage on Input Relative to V
Voltage on DQ
Temperature under Bias. . . . . . . . . . . . . . . . . . . . . –55 C to 125 C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . –65 C to 150 C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W
DC Output Current (1 output at a time, 1s duration) . . . . . . . 15mA
DC CHARACTERISTICS
Note b: I
Note c: I
Note d: E V
Note e: V
AC TEST CONDITIONS
CAPACITANCE
Note f:
April 1999
Input Pulse Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0V to 3V
Input Rise and Fall Times
Input and Output Timing Reference Levels. . . . . . . . . . . . . . . . 1.5V
Output Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Figure 1
SYMBOL
SYMBOL
I
I
I
I
I
I
I
I
V
V
V
V
V
T
C
C
CC 1
CC 2
CC 3
CC 4
SB 1
SB 2
ILK
OLK
A
OH
OL
IH
IL
BL
IN
OUT
d
d
b
c
b
c
nected to ground.
These parameters are guaranteed but not tested.
CC 1
CC 2
CC
and I
and I
reference levels throughout this datasheet refer to V
IH
Average V
Average V
Average V
Average V
Cycle
Average V
(Standby, Cycling TTL Input Levels)
V
(Standby, Stable CMOS Input Levels)
Input Leakage Current
Off-State Output Leakage Current
Input Logic “1” Voltage
Input Logic “0” Voltage
Output Logic “1” Voltage
Output Logic “0” Voltage
Logic “0” Voltage on HSB Output
Operating Temperature
0-7
Input Capacitance
Output Capacitance
CC
will not produce standby current levels until any nonvolatile cycle in progress has timed out.
PARAMETER
or HSB . . . . . . . . . . . . . . . .–0.5V to (V
CC 3
CC 4
Standby Current
are dependent on output loading and cycle rate. The specified values are obtained with outputs unloaded.
are the average currents required for the duration of the respective
CC
CC
CC
CAP
CC
f
PARAMETER
Current at t
Current
Current
Current during STORE
Current during AutoStore ™
SS
(T
. . . . . . . . . .–0.6V to (V
AVAV
A
MAX
= 25 C, f = 1.0MHz)
5
7
= 200ns
UNITS
pF
pF
a
V
CONDITIONS
SS
– 55
CC
CC
MIN
2.2
2.4
V = 0 to 3V
V = 0 to 3V
– .5
+ 0.5V)
+ 0.5V)
MILITARY
CCX
5ns
if that is where the power supply connection is made, or V
V
5-44
CC
MAX
125
0.8
0.4
0.4
90
85
15
30
28
6
4
3
1
5
+ .5
Note a: Stresses greater than those listed under “Absolute Maximum
OUTPUT
UNITS
mA
mA
mA
mA
mA
mA
mA
mA
V
V
V
V
V
C
Ratings” may cause permanent damage to the device. This is a
stress rating only, and functional operation of the device at con-
ditions above those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rat-
ing conditions for extended periods may affect reliability.
A
A
STORE
Figure 1: AC Output Loading
cycles (t
t
t
All Inputs Don’t Care, V
W
All Others Cycling, CMOS Levels
All Inputs Don’t Care
t
t
E
All Others V
V
V
V
V
All Inputs
All Inputs
I
I
I
255 Ohms
AVAV
AVAV
AVAV
AVAV
OUT
OUT
OUT
CC
IN
CC
IN
= V
(V
= V
(V
= max
= max
= – 4mA except HSB
= 8mA except HSB
= 3mA
= 35ns
= 45ns
= 35ns, E
= 45ns, E
CC
CC
SS
SS
STORE
– 0.2V)
– 0.2V)
to V
to V
IN
CC
CC
) .
0.2V or
, E or G
V
V
(V
IH
IH
CC
NOTES
CC
(V
= max
5.0V
V
= 5.0V
CC
IH
– 0.2V)
480 Ohms
CAP
30 pF
INCLUDING
SCOPE
AND FIXTURE
if V
CCX
10%)
is con-
e