STK22C48-P45 Cypress Semiconductor Corp, STK22C48-P45 Datasheet - Page 2

• Manufacturer Part Number: STK22C48-P45
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK22C48-P45

• Word Size: 8b
• Organization: 2Kx8
• Density: 16Kb
• Interface Type: Parallel
• Access Time (max): 45ns
• Operating Supply Voltage (typ): 5V
• Package Type: PDIP
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temp Range: 0C to 70C
• Pin Count: 28
• Mounting: Through Hole
• Supply Current: 65mA
• Lead Free Status / Rohs Status: Not Compliant

STK22C48
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: The STK22C48-20 requires V
Note c: I
Note d: I
Note e: E ≥ V
Note f:
AC TEST CONDITIONS
CAPACITANCE
Note g: These parameters are guaranteed but not tested.
July 1999
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
e
e
c
d
c
d
V
nected to ground.
CC 1
CC
CC
2
and I
and I
reference levels throughout this datasheet refer to V
Average V
Average V
Average V
5V, 25°C, Typical
Average V
AutoStore™ 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
or HSB . . . . . . . . . . . . . . . .–0.5V to (V
CC 3
Standby Current
CC
4
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
Current at t
Current
g
Current
Current during STORE
Current during
SS
. . . . . . . . . .–0.6V to (V
(T
AVAV
A
CC
MAX
8
7
= 25°C, f = 1.0MHz)
= 200ns
= 5.0V
UNITS
±
pF
pF
5% supply to operate at specified speed.
V
SS
MIN
COMMERCIAL
2.2
2.4
0
a
– .5
CONDITIONS
∆V = 0 to 3V
∆V = 0 to 3V
CC
CC
+ 0.5V)
+ 0.5V)
CCX
V
CC
MAX
1.5
0.8
0.4
0.4
95
85
75
65
10
30
25
21
18
±1
±5
70
3
2
if that is where the power supply connection is made, or V
+ .5
3-22
V
Note a: Stresses greater than those listed under “Absolute Maximum
SS
MIN
–40
2.2
2.4
INDUSTRIAL
– .5
OUTPUT
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.
V
STORE
CC
MAX
N/A
N/A
1.5
0.8
0.4
0.4
90
75
65
10
26
22
19
±1
±5
85
3
2
+ .5
255 Ohms
cycles (t
Figure 1
UNITS
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
µA
µA
°C
V
V
V
V
V
STORE
:
AC Output Loading
) .
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
(V
AVAV
AVAV
AVAV
AVAV
AVAV
AVAV
AVAV
AVAV
OUT
OUT
OUT
CC
IN
CC
IN
= V
= V
CC
= max
= max
= – 4mA except HSB
= 8mA except HSB
= 3mA
= 20ns
= 25ns
= 35ns
= 45ns
= 20ns, E ≥ V
= 25ns, E ≥ V
= 35ns, E ≥ V
= 45ns, E ≥ V
CC
CC
SS
SS
– 0.2V)
– 0.2V)
= 5.0V ± 10%)
to V
to V
5.0V
IN
CC
≤ 0.2V or ≥ (V
CC
NOTES
480 Ohms
SCOPE AND
FIXTURE
, E or G ≥ V
30 pF
INCLUDING
CAP
IH
IH
IH
IH
if V
CC
CCX
= max
CC
IH
is con-
– 0.2V)
b, f