Absolute Maximum Ratings
Symbol
TC
Rating
Range
-55 to +125
-65 to +150
-0.5 to +7
300
Units
°C
Case Operating Temperature
TSTG
VG
°C
Storage Temperature
V
Maximum Signal Voltage to Ground
Maximum Lead Temperature (10 seconds)
TL
°C
Parameter
Flash Data Retention
10 Years
10,000
Flash Endurance (Write/Erase Cycles)
Normal Operating Conditions
Symbol
VCC
Parameter
Minimum
Maximum
Units
+4.5
+2.2
-0.5
+5.5
V
V
V
Power Supply Voltage
Input High Voltage
Input Low Voltage
VIH
V
CC + 0.3
+0.8
VIL
Capacitance
(VIN = 0V, f = 1MHz, TA = 25°C)
Symbol Parameter
Maximum
Units
pF
CAD
COE
80
80
30
50
30
A0 – A18 Capacitance
pF
OE Capacitance
CWE1-4
CCE
pF
F/S Write Enable Capacitance
F/S Chip Enable Capacitance
I/O0 – I/O31 Capacitance
pF
CI/O
pF
This parameter is guaranteed by design but not tested
DC Characteristics
(VCC = 5.0V, VSS = 0V, Tc = -55°C to +125°C)
Parameter
Sym
Conditions
Min
Max Units
ILI
10
µA
Input Leakage Current
VCC = Max, VIN = 0 to VCC
FCE = SCE = VIH, OE = VIH,
VOUT = 0 to VCC
ILO
ICCx32
ISB
10
µA
Output Leakage Current
SRAM Operating Supply Current x 32
Mode
SCE = VIL, OE = VIH, f = 5MHz, VCC
Max, FCE = VIH
=
500 mA
FCE = SCE = VIH, OE = VIH, f = 5MHz,
VCC = Max
80
mA
Standby Current
VOL
VOH
ICC1
0.4
V
V
SRAM Output Low Voltage
IOL = 8 mA, VCC = Min, FCE = VIH
IOH = -4.0 mA, , VCC = Min, FCE = VIH
FCE = VIL, OE = VIH, SCE = VIH
2.4
SRAM Output High Voltage
260 mA
Flash Vcc Active Current for Read (1)
Flash Vcc Active Current for Program
or Erase (2)
ICC2
300 mA
FCE = VIL, OE = VIH, SCE = VIH
VOL
VOH1
VLKO
0.45
4.2
V
V
V
Flash Output Low Voltage
Flash Output High Voltage
Flash Low Vcc Lock Out Voltage
IOL = 12 mA, VCC = Min, SCE = VIH
IOH = -2.5 mA, , VCC = Min, SCE = VIH
0.85 x VCC
3.2
Notes: 1) The ICC 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 VIH 2) ICC active while Embedded Algorithim (program or
erase) is in progress 3) DC test conditions: VIL = 0.3V, VIH = VCC - 0.3V
2
Aeroflex Circuit Technology
SCD3851 REV A 5/21/98 Plainview NY (516) 694-6700