User's Manual
Table Of Contents
- 1 Overview
- 2 Architecture
- 3 Pin-out and Signal Description
- 4 Electrical Characteristics
- 5 Package and Layout Guidelines
- 6 Ordering Information
- 7 Regulatory Notes
- 8 Limitations
- 9 References
GS1500M DATA SHEET
PRELIMINARY GAINSPAN CONFIDENTIAL PAGE 25 OF 43
4.4 I/O DC Specifications
4.4.1 Digital Input Specifications
Parameter
Symbol
Minimum
Typical
Maximum
Unit
Note
Input Low Voltage
V
IL
-0.3
0.25* VDDIO
V
Input High Voltage V
IH
0.8*
VDDIO
VDDIO V
Table 4-4: Digital Input Parameters
4.4.2 Digital Output Specification
Parameter
Symbol
Mininum
Typical
Maximum
Unit
Note
Output Low
Voltage
V
OL
0 0.4 V With 4 mA load
Output High
Voltage
V
OH
1.3 V
VDDIO V
V
DDIO
=3.0V, DC
current load 4.0 mA
V
DDIO
=1.62 V, DC
current
load 2.0 mA
Output rise
time @
VDDIO=3.3V
t
TLH
7 ns
With 4 mA, 33 pF load
Output fall
time @
VDDIO=3.3V
t
THL
7 ns
With 4 mA, 33 pF load
Table 4-5: Digital Output Parameters
4.4.3 I/O Digital Specifications (Tri-State)
Parameter
Symbol
Mininum
Typical
Maximum
Unit
Note
Input Low Voltage
V
IL
-0.3
0.25* VDDIO
V
Input High
Voltage
V
IH
0.8*
VDDIO
VDDIO V
Schmitt trig. Low
to High threshold
point
V
T+
1.5 V
Schmitt trig. High
to Low threshold
point
V
T-
1 V
Input Leakage
Current
I
L
5
µ
A
Pull up/down
disabled
Tri-State Output
Leakage Current
Oz
L
5
µ
A
Pull up/down
disabled
Pull-Up Resistor R
u
0.05 1
M
Ω
Pull-Down
Resistor
R
d
0.05 1
M
Ω