Absolute Maximum Ratings
Symbol
T
C
T
STG
V
G
T
L
Parameter
Flash Data Retention
Flash Endurance (Write/Erase Cycles)
10 Years
10,000
Case Operating Temperature
Storage Temperature
Maximum Signal Voltage to Ground
Maximum Lead Temperature (10 seconds)
Rating
Range
-55 to +125
-65 to +150
-0.5 to +7
300
Units
°C
°C
V
°C
Normal Operating Conditions
Symbol
V
CC
V
IH
V
IL
Parameter
Power Supply Voltage
Input High Voltage
Input Low Voltage
Minimum
+4.5
+2.2
-0.5
Maximum
+5.5
V
CC
+ 0.3
+0.8
Units
V
V
V
Capacitance
(V
IN
= 0V, f = 1MHz, T
A
= 25°C
)
Symbol Parameter
C
AD
C
OE
C
WE
1-4
C
CE
C
I
/
O
A
0
–
A
18
Capacitance
OE Capacitance
F/S Write Enable Capacitance
F/S Chip Enable Capacitance
I/O
0
– I/O
31
Capacitance
Maximum
80
80
30
50
30
Units
pF
pF
pF
pF
pF
This parameter is guaranteed by design but not tested
DC Characteristics
(V
CC
= 5.0V, V
SS
= 0V, Tc = -55°C to +125°C)
Parameter
Input Leakage Current
Output Leakage Current
Sym
I
LI
I
LO
Conditions
V
CC
= Max, V
IN
= 0 to V
CC
FCE = SCE = V
IH
, OE = V
IH,
V
OUT
= 0 to V
CC
Min
Max Units
10
10
500
80
0.4
2.4
260
300
0.45
0.85 x V
CC
3.2
4.2
µA
µA
mA
mA
V
V
mA
mA
V
V
V
SRAM Operating Supply Current x 32 I x32 SCE = V
IL
, OE = V
IH
, f = 5MHz, V
CC
=
CC
Max, FCE = V
IH
Mode
Standby Current
SRAM Output Low Voltage
SRAM Output High Voltage
Flash Vcc Active Current for Read (1)
Flash Vcc Active Current for Program
or Erase (2)
Flash Output Low Voltage
Flash Output High Voltage
Flash Low Vcc Lock Out Voltage
I
SB
V
OL
V
OH
I
CC1
I
CC2
V
OL
V
OH1
V
LKO
FCE = SCE = V
IH
, OE = V
IH
, f = 5MHz,
V
CC
= Max
I
OL
= 8 mA, V
CC
= Min, FCE = V
IH
I
OH
= -4.0 mA, , V
CC
= Min, FCE = V
IH
FCE = V
IL
, OE = V
IH
, SCE = V
IH
FCE = V
IL
, OE = V
IH
, SCE = V
IH
I
OL
= 12 mA, V
CC
= Min, SCE = V
IH
I
OH
= -2.5 mA, , V
CC
= Min, SCE = V
IH
Notes: 1) The I
CC
current listed includes both the DC operating current and the frequency dependent component (at 5MHz). The
frequency component typically is less than 2mA/MHz, with OE at V
IH
2) I
CC
active while Embedded Algorithim (program or
erase) is in progress 3) DC test conditions: V
IL
= 0.3V, V
IH
= V
CC
- 0.3V
Aeroflex Circuit Technology
2
SCD3851 REV A 5/21/98
Plainview NY (516) 694-6700
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
