OX16C950 OXFORD [Oxford Semiconductor], OX16C950 Datasheet - Page 41

• Manufacturer Part Number: OX16C950
• Description: High Performance UART with 128 byte FIFOs
• Manufacturer: OXFORD [Oxford Semiconductor]

17.2
These figures assume the TQFP package, with VSEL applied for 3V operation.
I/O signals, CPU interface and UART signals are 5V tolerant.
Note 1:
Note 2:
Note 3:
Data Sheet Revision 1.2
OXFORD SEMICONDUCTOR LTD.
Symbol
3V Operation
V
V
V
C
V
V
V
C
V
I
I
I
I
All input buffers are TTL with the exception of RESET which is a Schmitt trigger buffer.
I OH and I OL are 6 mA for DB[7:0] and 2 mA for all other outputs.
For further details on operating current please refer to the’OX16C95x Test Document’.
I
OZ
CC
ST
IH
DD
IL
OH
OH
OL
OL
OL
IH
IL
IL
Parameter
Supply voltage
Input high voltage
Input low voltage
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
Operating
normal mode
Operating supply current in sleep
mode
Note3
supply
Note3
current
Table 23: DC Electrical Characteristics
in
Condition
Commercial
TTL Interface
TTL Schmitt trigger
TTL Interface
TTL Schmitt trigger
V
V
I
I
I
I
V
f
f
f
f
f
f
OH
OH
OL
OL
CK
CK
CK
CK
CK
CK
in
in
in
= 1 µA
= 4 mA
= V
= V
= V
= 1.8432 MHz
= 7.372 MHz
= 60.00 MHz
= 1.8432 MHz
= 7.372 MHz
= 60.00 MHz
= 1 µA
= 4 mA
DD
SS
DD
or V
Note2
Note2
SS
Note1
Note 1
V
DD
0.7 V
Min.
TBD
TBD
TBD
TBD
-0.5
3.0
2.4
45
-1
-1
– 0.05
-1
DD
V
0.2 V
DD
Max.
3.45
TBD
TBD
10.0
0.05
TBD
TBD
100
5.0
0.4
1
1
1
+ 0.5
OX16C950 rev B
DD
Units
mA
µA
µA
µA
µA
pF
pF
V
V
V
V
V
V
V
Page 41