BQ4014_08 Datasheet, PDF (3/13 Pages) Texas Instruments – 256Kx8 Nonvolatile SRAM

bq4014/bq4014Y
Recommended DC Operating Conditions (TA = 0 to 70°C)
Symbol
Parameter
Minimum
Typical
Maximum
VCC
Supply voltage
4.5
5.0
5.5
4.75
5.0
5.5
VSS
Supply voltage
0
0
0
VIL
Input low voltage
-0.3
-
0.8
VIH
Input high voltage
2.2
-
VCC + 0.3
Note:
Typical values indicate operation at TA = 25°C.
Unit
Notes
V
bq4014Y
V
bq4014
V
V
V
DC Electrical Characteristics (TA = 0 to 70°C, VCCmin ≤ VCC ≤ VCCmax)
Symbol
Parameter
ILI
Input leakage current
ILO
VOH
VOL
ISB1
Output leakage current
Output high voltage
Output low voltage
Standby supply current
ISB2
Standby supply current
Minimum
-
-
2.4
-
-
-
ICC
VPFD
VSO
Operating supply current
-
4.55
Power-fail-detect voltage
4.30
Supply switch-over voltage
-
Typical
-
-
-
-
5
2.5
75
4.62
4.37
3
Maximum
±2
±2
-
0.4
12
5
110
4.75
4.50
-
Unit
µA
µA
V
V
mA
mA
mA
V
V
V
Conditions/Notes
VIN = VSS to VCC
CE = VIH or OE = VIH or
WE = VIL
IOH = -1.0 mA
IOL = 2.1 mA
CE = VIH
CE ≥ VCC - 0.2V,
0V ≤ VIN ≤ 0.2V,
or VIN ≥ VCC - 0.2
Min. cycle, duty = 100%,
CE = VIL, II/O = 0mAV,
A17 < VIL or A17 > VIH
bq4014
bq4014Y
Note:
Typical values indicate operation at TA = 25°C, VCC = 5V.
Capacitance (TA = 25°C, F = 1MHz, VCC = 5.0V)
Symbol
Parameter
Minimum Typical
CI/O
Input/output capacitance
-
-
CIN
Input capacitance
-
-
Note:
These parameters are sampled and not 100% tested.
Maximum
40
40
Unit
Conditions
pF Output voltage = 0V
pF Input voltage = 0V
Sept. 1992
3