T89C5115 ATMEL Corporation, T89C5115 Datasheet - Page 96

• Manufacturer Part Number: T89C5115
• Description: Low Pin Count 8-bit MCU with A/D Converter and 16-Kbytes of Flash Memory
• Manufacturer: ATMEL Corporation

Shift Register Timing Waveforms
External Clock Drive
Characteristics (XTAL1)
External Clock Drive
Waveforms
AC Testing Input/Output
Waveforms
96
T89C5115
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
T
QVXH
0
Table 72. AC Parameters for a Variable Clock
Table 73. AC Parameters
AC inputs during testing are driven at V
Timing measurement are made at V
Symbol
T
T
T
T
T
Symbol
T
T
T
T
T
T
XLXL
QVHX
XHQX
XHDX
XHDV
CLCL
CHCX
CLCX
CLCH
CHCL
CHCX
INPUT/OUTPUT
T
/T
XHDV
CLCX
0.45V
1
0
V
VALID
T
CC
XLXL
-0.5V
Parameter
Oscillator Period
High Time
Low Time
Rise Time
Fall Time
Cyclic ratio in X2 mode
T
XHQX
2
1
VALID
0.2V
Type
T
0.7V
Max
Min
Min
Min
Min
3
XHDX
2
V
VALID
CC
CC
CC
-0.1
T
0.45 V
CHCL
-0.5V
4
3
VALID
Standard
10 T - x
10 T - x
IH
Clock
2 T - x
12 T
min for a logic “1” and V
x
CC
5
4
VALID
- 0.5 for a logic “1” and 0.45V for a logic “0”.
T
CLCX
X2 Clock
6
5 T - x
5
5 T- x
T - x
VALID
6 T
Min
0.2 V
0.2 V
x
25
40
5
5
CC
CC
T
7
CLCL
6
+ 0.9
- 0.1
VALID
for -M range
X parameter
IL
T
133
SET TI
SET RI
CLCH
max for a logic “0”.
50
20
0
8
T
7
Max
CHCX
VALID
60
5
5
4128A–8051–04/02
Units
ns
ns
ns
ns
ns
Units
ns
ns
ns
ns
ns
%