Dc Electrical Specifications; Ac Electrical Specifications-Clock Timing - Motorola MC68306 User Manual

8.5 DC ELECTRICAL SPECIFICATIONS

(The electrical specifications in this document are preliminary)
Input High Voltage (except clock)
Input Low Voltage
Clock Input High Voltage
Input Leakage Current (All Input Only Pins)
Three-State (Off State) Input Current
@ 2.4 V/0.4 V
Output High Voltage
(I OH = Rated Maximum)
Output Low Voltage
(I OL = Rated Maximum)
2
Current Drain TA = 70 C, V CC = 5.25 V, f = 16.67 MHz
Power Dissipation
3
Input Capacitance
All Input-Only Pins
All I/O Pins
3
Load Capacitance
1. Not including internal pullup or pulldown
2. Currents listed are with no loading.
3. Capacitance is periodically sampled rather than 100% tested.
8.6 AC ELECTRICAL SPECIFICATIONS—CLOCK TIMING
(The electrical specifications in this document are preliminary; see Figure 8-2.)
Num.
Frequency of Operation
1 Cycle time
Crystal Oscillator Start-Up Time
2 EXTAL Pulse Width Low
3 EXTAL Pulse Width High
4,5 EXTAL Rise and Fall Times
1A External Clock to CLKOUT Skew (Typical)
2A CLKOUT Pulse Width Low
3A CLKOUT Pulse Width High
8-4
Characteristic
1
f = 16.67 MHz
Characteristic
MC68306 USER'S MANUAL
Symbol
V IH
V IL
V IHC
V in = V CC or GND I in
I TSI
V OH
V OL
I D
P D
C in
C L
Symbol
f
t cyc
t gidyup
t
CW
t
CW
t Cr
t Cf
Min Max
2.0 V CC
GND– 0.3 0.8
0.7 * (V CC ) V +0.3
CC
–2.5 2.5
— 20
V CC –0.75 —
— 0.5
— 100
— 0.5
— 10
— 20
— 100
Min Max Unit
8.0 16.7 MHz
60 125 ns
— TBD ms
27 62.5 ns
27 62.5 ns
— 5 ns
— 5
8 ns
ns
–5 +5
2 2
ns
–5 +5
3 3
MOTOROLA
Unit
V
V
V
A
A
V
V
mA
W
pF
pF