pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 377

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

Revision 1.07
7.0 Device Specifications
7.3
DC Test Conditions
Notes:
1. The equivalent resistance of the pull-up resistor is calculated by R
2. The equivalent resistance of the pull-down resistor is calculated by R
7.3.1
Symbol: PU
7.3.2
Symbol: PD
Symbol
Pull-Up Resistor Test Circuit
Symbol
R
Device
Under
Test
R
1. Not tested; guaranteed by characterization.
1. Not tested; guaranteed by characterization.
PD
PU
INTERNAL RESISTORS
1
1
Pull-Up Resistor
Pull-Down Resistor
V
Pull-down equivalent resistance
Pull-up equivalent resistance
SUP
nn
nn
R
PU
Figure 123. Internal Resistor Test Conditions, T
Pin
V
PIN
Parameter
Parameter
V
(Continued)
I
PU
A
377
V
V
V
V
PIN
PIN
PIN
PIN
Conditions
Conditions
V
V
PIN
Pull-Down Resistor Test Circuit
PIN
= 0.17 V
= 0.17 V
Device
Under
Test
= 0.8 V
= 0.8 V
= V
PU
= 0V
PD
= (V
DD
A
V
DD
DD
= 0 C to 70 C, V
DD
DD
= V
SUP
SUP
R
PIN
PD
Typical
Typical
/ I
V
PD
PIN
nn
nn
.
Pin
) / I
V
PIN
PU
nn – 34% nn + 47%
nn – 44%
nn – 35% nn + 60%
nn – 48%
SUP
.
Min
Min
V
= 3.3V
nn – 41%
nn – 37%
I
PD
A
Max
Max
V
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SUP
Unit
Unit
K
K
K
K
K
K