ST70235A
ELECTRICAL SPECIFICATIONS
Generic DC Electrical Characteristics
The values presented in the following table apply for all inputs and/or outputs unless otherwise specified.
All voltages are referenced to VSS, unless otherwise specified, positive current is towards the device.
IO Buffers Generic DC Characteristics
Symbol
Parameter
Test Condition Minimum Typical Maximum Unit
IIN
Input Leakage Current
VIN = VSS, VDD no
-4
pull up /pull down
4
µA
IOZ
Tristate Leakage Current
VIN = VSS, VDD no
-4
pull up /pull down
4
µA
IPU
Pull up Current
VIN = VSS
-15
-66
-125
µA
IPD
Pull Down Current
VIN = VDD
15
66
125
µA
RPU
Pull up Resistance
VIN = VSS
50
KΩ
RPD
Pull Down Resistance
VIN = VDD
50
KΩ
Input/ Output TTL Generic Characteristics
The values presented in the following table apply for all TTL inputs and/or outputs unless otherwise
specified.
Symbol
Parameter
Test Condition Minimum Typical Maximum Unit
VIL
Low Level Input Voltage
VIH
High Level Input Voltage
2.0
VHY
Schmitt Trigger Hysteresis
Slow edge < 1V/µs
0.4
VOL
Low Level Output Voltage
IOUT = XmA*
VOH
High Level Output Voltage
IOUT = XmA*
2.4
0.8
V
V
0.7
V
0.4
V
V
* The reference current is dependent on the exact buffer chosen and is a part of the buffer name. The available values are 4 and 8mA.
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