
Data Sheet
2 Mbit ROM + 1 Mbit / 2Mbit / 256 Kbit SRAM
ROM/RAM Combo
SST30VR021 / SST30VR022 / SST30VR023
3
2001 Silicon Storage Technology, Inc.
S71135-02-000
4/01
380
Absolute Maximum Stress Ratings
(Applied conditions greater than those listed under
“
Absolute Maximum
Stress Ratings
”
may cause permanent damage to the device. This is a stress rating only and functional operation
of the device at these conditions or conditions greater than those defined in the operational sections of this data
sheet is not implied. Exposure to absolute maximum stress rating conditions may affect device reliability.)
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20
°
C to +85
°
C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65
°
C to +150
°
C
Voltage on Any Pin Relative to V
SS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.5V to V
DD
+ 0.5V
Voltage on V
DD
Supply Relative to V
SS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 4.0V
Power Dissipation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0W
Soldering Temperature (10 Seconds Lead Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
°
C
O
PERATING
R
ANGE
Range
Commercial
Extended
Ambient Temp
0
°
C to +70
°
C
-20
°
C to +85
°
C
V
DD
2.7-3.3V
2.7-3.3V
AC C
ONDITIONS
OF
T
EST
Input Pulse Level
. . . . . . . . . . . . . . . . . . . . . . . .0-V
DD
Input & Output Timing Reference Levels
. . . . . . .V
DD
/2
Input Rise/Fall Time . . . . . . . . . . . . . . . . . . . . . . . 5 ns
Output Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C
L
= 30 pF for 70 ns
Output Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C
L
= 100 pF for 500 ns
TABLE
2: R
ECOMMENDED
DC O
PERATING
C
ONDITIONS
Symbol
V
DD
V
SS
V
IH
V
IL
Parameter
Supply Voltage
Ground
Input High Voltage
Input Low Voltage
Min
2.7
0
2.4
-0.3
Max
3.3
0
Units
V
V
V
V
V
DD
+ 0.5
0.3
T2.0 380
TABLE
3: DC O
PERATING
C
HARACTERISTICS
Symbol
I
DD1
Parameter
ROM Operating Supply Current
V
DD
= 3.0 ± 0.3V
Max
4.0+1.1(f)
1
Test Conditions
ROMCS#=V
IL
, RAMCS#=V
IH
,
V
IN
=V
IH
or V
IL,
I
I/O
=Opens
ROMCS#=V
IH
, RAMCS#=V
IL
, I
I/O
=Opens
ROMCS#
≥
V
DD
-0.2V, RAMCS#
≥
V
DD
-0.2V
V
IN
≥
V
DD
-0.2V or V
IN
≤
0.2V
V
IN
=V
SS
to V
DD
ROMCS#=RAMCS#=V
IH
or OE#=V
IH
or
WE#=V
IL
, V
I/O
=V
SS
to V
DD
I
OL
= 1.0 mA
I
OH
= -0.5 mA
Min
Units
mA
1. f = Frequency of operation (MHz) = 1/cycle time
I
DD2
I
SB
RAM Operating Supply Current
Standby V
DD
Current
2.5+1(f)
1
10
mA
μA
I
LI
I
LO
Input Leakage Current
Output Leakage Current
-1
-1
1
1
μA
μA
V
OL
V
OH
Output Low Voltage
Output High Voltage
0.4
V
V
2.2
T3.3 380