tsc251g1dxxx-l12ced ATMEL Corporation, tsc251g1dxxx-l12ced Datasheet - Page 60

• Manufacturer Part Number: tsc251g1dxxx-l12ced
• Description: 8/16-bit Microcontroller With Serial Communication Interfaces - 32kbytes Rom
• Manufacturer: ATMEL Corporation

Figure 24. EPROM Verifying Waveforms
AC Characteristics - External Clock Drive and Logic Level References
Definition of Symbols
Timings
Waveforms
60
AT/TSC8x251G2D
P1 = A15:8
P2 = D7:0
P3 = A7:0
P0
Table 53. External Clock Timing Symbol Definitions
Table 54. External Clock AC Timings; V
Figure 25. External Clock Waveform
Notes:
0.45 V
Symbol
C
T
T
T
T
F
V
CHCX
CLCX
CLCH
CHCL
1. During AC testing, all inputs are driven at V
2. Timing measurements are made on all outputs at V
OSC
DD
- 0.5
logic 0.
a logic 0.
V
IL
V
Signals
IH1
Mode = 28h, 29h or 2Bh
Oscillator Frequency
High Time
Low Time
Rise Time
Fall Time
T
T
ELQV
AVQV
Clock
Address
T
Parameter
CHCL
Data
DD
= 4.5 to 5.5 V, T
T
T
EHQZ
AXQX
T
CLCX
T
CLCH
DD
Min
-0.5 V for a logic 1 and 0.45 V for a
H
L
X
10
10
3
3
IH
T
min for a logic 1 and V
A
CLCL
= -40 to +85°C
Conditions
Max
No Longer Valid
T
24
CHCX
High
Low
4135F–8051–11/06
IL
Unit
MHz
max for
ns
ns
ns
ns