MC68HC711D3_05 Datasheet, PDF (108/138 Pages) Freescale Semiconductor, Inc – Microcontrollers

Electrical Characteristics
TEST
POINT
V_DD
R2
C1
R1
EQUIVALENT TEST LOAD⁽¹⁾
Pins
PA3–PA7
PB0–PB7
PC0–PC7
PD0, PD5–PD7
E
PD1—PD4
R1
3.26 K
3.26 K
R2
2.38 K
2.38 K
C1
90 pF
200 pF
Note:
1. Full test loads are applied during all ac electrical timing measurements.
Figure 9-1. Equivalent Test Load
CLOCKS,
STROBES
~ V_DD
0.4 V
~ VSS
INPUTS
OUTPUTS
~ V_DD
~ V_SS
DC TESTING
NOMINAL TIMING
0.4 V
NOM
V_DD – 0.8 V
NOM
70% of V_DD
20% of V_DD
V_DD – 0.8 V
0.4 V
CLOCKS,
STROBES
INPUTS
OUTPUTS
~ V_DD
20% of V_DD
~ V_SS
~ V_DD
~ V_SS
AC TESTING
SPEC TIMING
20% of V_DD
70% of V_DD
SPEC
SPEC
70% of V_DD
20% of V_DD
70% of V_DD
20% of V_DD
(NOTE 1)
V_DD – 0.8 V
0.4 V
Note:
1. During ac timing measurements, inputs are driven to 0.4 volts and V_DD – 0.8 volts while timing measurements are taken
at the 20% and 70% of V_DD points.
Figure 9-2. Test Methods
MC68HC711D3 Data Sheet, Rev. 2.1
108
Freescale Semiconductor