OX16C950 rev B
OXFORD SEMICONDUCTOR LTD.
16 OPERATING CONDITIONS
Symbol
VDD
VIN
IIN
TSTG
Parameter
Min.
-0.3
-0.3
Max.
Units
V
V
mA
°C
DC supply voltage
DC input voltage
DC input current
Storage temperature
7.0
VDD + 0.3
+/- 10
125
-40
Table 20: Absolute Maximum Ratings
Symbol
VDD
TO
Parameter
DC supply voltage
Operating Temperature range
Min
3
0
Max
5.25
70
Units
V
°C
Table 21: Recommended Operating Conditions
N.B. Under 3V operation some inputs are 5V tolerant (I/O signals, CPU interface, and UART signals).
17 DC ELECTRICAL CHARACTERISTICS
17.1 5V Operation
.
Symbol
VDD
VIH
Parameter
Supply voltage
Input high voltage
Condition
Commercial
TTL Interface Note1
TTL Schmitt trigger
TTL Interface Note 1
TTL Schmitt trigger
Min.
4.75
2.0
Max.
5.25
Units
V
V
2.4
VIL
Input low voltage
0.8
0.6
5.0
10.0
10
V
CIL
COL
IIH
Capacitance of input buffers
Capacitance of output buffers
Input high leakage current
Input low leakage current
Output high voltage
Output high voltage
Output low voltage
Output low voltage
3-state output leakage current
Static current
pF
pF
µA
µA
V
V
V
V
Vin = VDD
Vin = VSS
-10
-10
VDD – 0.05
2.4
IIL
10
VOH
VOH
VOL
VOL
IOZ
IOH = 1 µA
IOH = 4 mA Note2
IOL = 1 µA
0.05
0.4
10
100
2.0
5.0
30.0
0.5
2.0
5.0
IOL = 4 mA Note2
-10
45
µA
µA
mA
IST
ICC
Vin = VDD or VSS
f
Operating supply current in
CK = 1.8432 MHz
fCK = 7.372 MHz
CK = 60.00 MHz
Operating supply current in sleep fCK = 1.8432 MHz
0.40
1.50
10.0
0.35
1.25
3.5
normal mode Note3
f
mode Note3
f
f
CK = 7.372 MHz
CK = 60.00 MHz
Table 22: DC Electrical Characteristics
Note 1: All input buffers are TTL with the exception of RESET which is a Schmitt trigger buffer.
Note 2: and I are 12 mA for DB[7:0] and 4 mA for all other outputs.
I
OH
OL
Note 3: For further details on operating current please refer to the’OX16C95x Test Document’.
Data Sheet Revision 1.2
Page 40
OXFORD [ OXFORD SEMICONDUCTOR ]
