SDA5252 SIEMENS [Siemens Semiconductor Group], SDA5252 Datasheet - Page 131

• Manufacturer Part Number: SDA5252
• Description: TVTEXT 8-Bit Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

7.3
External Clock Drive XTAL1 / Quartz Clock Drive XTAL1 - XTAL2
Table 35
T
Cycle time
Address out to valid instr in
Oscillator period
External clock high time
External clock low time
External clock rise time
External clock fall time
Figure 39
External Clock Cycle
Semiconductor Group
Parameter
A
= 0 to 70 C; V
AC-Characteristics
V
DD
-0.5
DD
= 5 V
0.2
0.7
V -0.1
V
DD
t
DD
CHCX
10 %, V
Symbol
t
t
t
t
t
t
t
SS
CY
AVIV
CLCL
CHCX
CLCX
CLCH
CHCL
= 0 V (C
t
CLCX
t
131
CLCH
L
6 t
–
55.6
13
13
–
–
t
= 80 pF)
CLCL
CLCL
Fixed internal Clock
min.
1/t
Limit Values
CLCL
= 18 MHz
–
2.3. x t
–
–
–
13
13
max.
t
CHCL
CLCL
UED04735
SDA 525x
1998-04-08
Unit
ns
ns
ns
ns
ns
ns
ns