IC89C52 Datasheet, PDF (17/22 Pages) Integrated Circuit Solution Inc – CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8(4)-Kbytes of FLASH

IC89C52(51)A
SERIAL PORT TIMING: SHIFT REGISTER MODE
Symbol
tXLXL
tQVXH
tXHQX
tXHDX
tXHDV
Parameter
Serial port clock cycle time
Output data setup 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
24 MHz
Clock
Min Max
490 —
327 —
58 —
0—
— 284
40 MHz
Clock
Min Max
290 —
160 —
25 —
0—
— 117
Variable Oscillator
(3.5-40 MHz)
Min
Max
Unit
12tCLCL–10
—
ns
10tCLCL–90
—
ns
2tCLCL–25
—
ns
0
—
ns
—
10tCLCL—133 ns
EXTERNAL CLOCK DRIVE CHARACTERISTICS
Symbol
Parameter
Min
1/tCLCL
Oscillator Frequency
3.5
tCHCX
High time
10
tCLCX
Low time
10
tCLCH
Rise time
—
tCHCL
Fall time
—
Max
Unit
40
MHz
—
ns
—
ns
10
ns
10
ns
Flash Program/Erase and Verification & Test Mode Characteristics
Symbol
Parameter
Min
Max
Unit
Vcc
Programming and Erase Power Voltage
5.25
5.75
V
Vpp
Programming and Erase Enable Voltage
11.5
12.5
V
Ipp
Programming and Erase Enable Current
-
2.0
mA
tDVCL
Data Valid to Command Setup Low
10
-
ns
tCLCH
Command Setup Width
100
-
ns
tCHDX
tAVGL
tGHAX
tDVGL
tGHDX
tSHGL
tGHSL
tGLGH
tGLGHE
Data Hold after Command Setup
10
-
ns
Address Setup to PROG Low
20
-
ns
Address Hold after PROG
20
-
ns
Data Setup to PROG Low
20
-
ns
Data Hold after PROG
20
-
ns
Vpp Setup to PROG Low
10
-
us
Vpp Hold after PROG
10
-
us
PROG Pulse Width in Programming Cycle
200
-
us
PROG Pulse Width in Erase Cycle
200
-
ms
tAVQV
tELQV
Address Valid to Data Valid
ENABLE Low to Data Valid
-
50
ns
-
50
ns
tAXQX
tEHQX
Data Float after Address Float
Data Float after ENABLE
0
-
ns
0
-
ns
Integrated C ircuitSolution Inc.
17
MC008-0C 11/27/2001