MC68HC908LB8_05 Datasheet, PDF (227/234 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Comparator Parameters
20.10 Comparator Parameters
(Measured over -40°C to +125°C at operating voltage = 5V; R_L = 20kΩ unless specified)
Parameter
Minimum
Typical
Maximum
Unit
Input offset current⁽¹⁾⁽²⁾
—
—
± 10
nA
Input offset voltage
—
±5
± 15
mV
Input bias current⁽¹⁾⁽²⁾
—
—
± 10
nA
Common mode voltage range low⁽²⁾
—
1.2
1.5
V
Common mode voltage range high⁽²⁾
VDD-2.0
VDD-1.6
—
V
Input resistance⁽¹⁾⁽²⁾
10
—
—
MΩ
Input common mode rejection ratio (DC)
55
—
—
dB
Respond Time
(0.4V to V_DD-0.4V swing, ∆V_IN=100mV, R_L=20kΩ)
—
0.5
—
µs
DC open loop voltage gain⁽²⁾
60
—
—
dB
Output Voltage Range (I_L= ±8mA)
Same as PTB7
—
Same as PTB7
V
Output short circuit current
—
Same as PTB7
—
mA
Input capacitance⁽²⁾
—
—
5
pF
Supply current⁽²⁾⁽³⁾
—
0.5
—
mA
NOTES:
1. Excludes pad leakage current.
2. These values are from design and are not tested.
3. Supply current measured with R_L = 20kΩ at maximum output.
20.11 Timer Interface Module Characteristics
Characteristic
Symbol
Min
Max
Timer input capture pulse width
t_TH, t_TL
2
—
Timer Input capture period
t_TLTL
Note⁽¹⁾
—
NOTES:
1. The minimum period is the number of cycles it takes to execute the interrupt service routine plus 1 t_CYC.
Unit
t_CYC
t_CYC
MC68HC908LB8 Data Sheet, Rev. 1
Freescale Semiconductor
227