ds2251 Maxim Integrated Products, Inc., ds2251 Datasheet - Page 13

• Manufacturer Part Number: ds2251
• Description: 128k Soft Microcontroller Module
• Manufacturer: Maxim Integrated Products, Inc.

AC CHARACTERISTICS (cont'd)
EXTERNAL CLOCK DRIVE
EXTERNAL CLOCK TIMING
AC CHARACTERISTICS (cont'd)
POWER CYCLING TIMING
28
29
30
31
32
33
34
#
#
PARAMETER
External Clock High Time
External Clock Low Time
External Clock Rise Time
External Clock Fall Time
PARAMETER
Slew Rate from V
Crystal Startup Time
Power-On Reset Delay
CCMIN
to 3.3V
@ 12 MHz
@ 16 MHz
@ 12 MHz
@ 16 MHz
@ 12 MHz
@ 16 MHz
@ 12 MHz
@ 16 MHz
13 of 20
SYMBOL
SYMBOL
t
t
CLKHPW
CLKLPW
t
t
t
CLKR
t
CLKF
CSU
POR
t
F
(t
(t
A
A
=0˚C to70˚C; V
=0˚C to70˚C; V
MIN
MIN
130
20
15
20
15
(note 6)
21504
MAX
MAX
20
15
20
15
CC
CC
=5V
=5V
UNITS
UNITS
DS2251T
10%)
10%)
t
CLK
ns
ns
ns
ns
ns
ns
ns
ns
s