STK12C68 Simtek, STK12C68 Datasheet - Page 3

• Manufacturer Part Number: STK12C68
• Description: 8Kx8 AutoStore nvSRAM
• Manufacturer: Simtek

DC CHARACTERISTICS
Note b: I
Note c: I
Note d: E ≥ V
Note e: V
AC TEST CONDITIONS
CAPACITANCE
Note f:
ABSOLUTE MAXIMUM RATINGS
Voltage on Input Relative to Ground . . . . . . . . . . . . . –0.5V to 7.0V
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
Document Control #ML0008 Rev 0.7
Input Pulse Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0V to 3V
Input Rise and Fall Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ≤ 5ns
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
IH
IL
OH
OL
BL
IN
OUT
d
d
b
c
b
c
These parameters are guaranteed but not tested.
CC 1
CC 2
CC
February 2007
and I
and I
reference levels throughout this datasheet refer to V
Average V
Average V
Average V
5V, 25°C, Typical
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
IH
0-7
CC
Input Capacitance
Output Capacitance
will not produce standby current levels until any nonvolatile cycle in progress has timed out.
PARAMETER
CC 3
CC 4
or HSB . . . . . . . . . . . . . . . . –0.5V to (V
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
PARAMETER
f
Current
Current during STORE
Current at t
Current
Current during AutoStore
SS
. . . . . . . . . . –0.6V to (V
(T
AVAV
A
MAX
8
7
= 25°C, f = 1.0MHz)
= 200ns
UNITS
pF
pF
V
SS
MIN
2.2
2.4
COMMERCIAL
0
a
– .5
CONDITIONS
ΔV = 0 to 3V
ΔV = 0 to 3V
CC
CC
+ 0.5V)
+ 0.5V)
CCX
V
CC
MAX
1.5
0.8
0.4
0.4
85
75
65
10
27
24
20
±1
±5
70
--
--
3
2
if that is where the power supply connection is made, or V
+ .5
3
V
–40/-55
SS
MIN
2.2
2.4
INDUSTRIAL
– .5
MILITARY
Note a: Stresses greater than those listed under “Absolute Maximum Rat-
V
85/125
STORE
CC
MAX
2.5
0.8
0.4
0.4
85
75
65
55
10
27
24
20
19
±1
±5
3
2
OUTPUT
ings” may cause permanent damage to the device. This is a stress
rating only, and functional operation of the device at conditions
above those indicated in the operational sections of this specification
is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect reliability.
+ .5
STK12C68 (SMD5962-94599)
cycles (t
UNITS
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
μA
μA
°C
V
V
V
V
V
Figure 1. AC Output Loading
STORE
255 Ohms
) .
t
t
t
t
All Inputs Don’t Care, V
W ≥ (V
All Others Cycling, CMOS Levels
All Inputs Don’t Care
t
t
t
t
E ≥ (V
All Others V
V
V
V
V
All Inputs
All Inputs
I
I
I
AVAV
AVAV
AVAV
AVAV
AVAV
AVAV
AVAV
AVAV
OUT
OUT
OUT
CC
IN
CC
IN
(V
= V
= V
= max
= max
= – 4mA except HSB
= 8mA except HSB
= 3mA
= 25ns
= 35ns
= 45ns
= 55ns
= 25ns, E ≥ V
= 35ns, E ≥ V
= 45ns, E ≥ V
= 55ns, E ≥ V
CC
CC
CC
SS
SS
– 0.2V)
– 0.2V)
to V
to V
IN
= 5.0V ± 10%)
CC
CC
≤ 0.2V or ≥ (V
NOTES
CAP
, E or G ≥ V
IH
IH
IH
IH
if V
5.0V
CC
CCX
480 Ohms
= max
SCOPE AND
FIXTURE
30 pF
INCLUDING
CC
IH
is connected to ground.
– 0.2V)
e