TS87C51RB2-VCA Atmel, TS87C51RB2-VCA Datasheet - Page 71
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TS87C51RB2-VCA
Manufacturer Part Number
TS87C51RB2-VCA
Description
IC MCU 8BIT 16K OTP 40MHZ 40-DIP
Manufacturer
Atmel
Series
87Cr
Datasheets
1.TS87C51RB2-VIA.pdf
(3 pages)
2.TS87C51RB2-VIA.pdf
(86 pages)
3.TS87C51RB2-VIA.pdf
(74 pages)
Specifications of TS87C51RB2-VCA
Core Processor
8051
Core Size
8-Bit
Speed
40/30MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (16K x 8)
Program Memory Type
OTP
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
10.5.11. External Clock Drive Characteristics (XTAL1)
10.5.12. External Clock Drive Waveforms
10.5.13. AC Testing Input/Output Waveforms
AC inputs during testing are driven at V
are made at V
10.5.14. Float Waveforms
Rev. C - 06 March, 2001
T
CHCX
INPUT/OUTPUT
Symbol
T
T
T
T
T
CHCX
CLCX
CLCH
CHCL
CLCL
/T
CLCX
0.45 V
V
IH
CC
-0.5 V
min for a logic “1” and V
Oscillator Period
High Time
Low Time
Rise Time
Fall Time
Cyclic ratio in X2 mode
V
0.2V
CC
0.7V
Figure 31. AC Testing Input/Output Waveforms
0.45 V
-0.5 V
V
V
Parameter
Figure 30. External Clock Drive Waveforms
CC
OH
OL
T
CC
CHCL
-0.1 V
-0.1 V
+0.1 V
CC
Figure 32. Float Waveforms
Table 46. AC Parameters
IL
FLOAT
- 0.5 for a logic “1” and 0.45V for a logic “0”. Timing measurement
V
max for a logic “0”.
LOAD
T
CLCX
0.2V
0.2V
CC
CC
+0.9
-0.1
T
Min
V
CLCL
V
25
40
5
5
LOAD
LOAD
T
CLCH
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
+0.1 V
-0.1 V
T
CHCX
TS80C51RA2/RD2
Max
60
5
5
Units
ns
ns
ns
ns
ns
%
71