AT87C51RD2-SLSUL Atmel, AT87C51RD2-SLSUL Datasheet - Page 68
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AT87C51RD2-SLSUL
Manufacturer Part Number
AT87C51RD2-SLSUL
Description
IC 8051 MCU 64K OTP 30MHZ 44PLCC
Manufacturer
Atmel
Series
87Cr
Datasheet
1.TS87C51RB2-VIA.pdf
(86 pages)
Specifications of AT87C51RD2-SLSUL
Core Processor
8051
Core Size
8-Bit
Speed
30/20MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
64KB (64K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
11.5.7
68
Symbol
Speed
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
AT/TS8xC51Rx2
Serial Port Timing - Shift Register Mode
PORT 0
PORT 2
Min
300
200
ALE
PSEN
30
0
RD
40 MHz
-M
Figure 11-8. External Data Memory Read Cycle
Table 11-10. AC Parameters for a Fix Clock
Symbol
T
T
T
T
T
XLXL
QVHX
XHQX
XHDX
XHDV
OR SFR-P2
ADDRESS
Max
117
Min
60 MHz equiv.
200
117
13
0
X2 mode
30 MHz
-V
Max
34
A0-A7
T
LLAX
T
AVWL
standard mode 40
T
Min
300
200
30
LLWL
0
T
MHz
AVDV
-V
T
LLDV
ADDRESS A8-A15 OR SFR P2
Max
117
T
T
RLAZ
RLDV
40 MHz equiv.
Min
300
200
30
Parameter
Serial port clock cycle time
Output data set-up to clock rising edge
Output data hold after clock rising edge
Input data hold after clock rising edge
Clock rising edge to input data valid
0
X2 mode
20 MHz
-L
T
Max
RLRH
117
DATA IN
standard mode
Min
400
283
47
0
T
T
30 MHz
WHLH
RHDX
-L
Max
200
T
RHDZ
4188F–8051–01/08
Units
ns
ns
ns
ns
ns