TSC87C51/52
87C52 OTP product features by supplier
Siemens
C501–1E
LG
TEMIC
80C52
TEMIC
INTEL
87C52
Philips
87C52
Atmel
Windbond
W87E52
Feature
TSC87C52
AT89C52
GMS80C701
Power off Flag
No
No
No
Yes
Yes
No
Yes
Yes
Yes
No
No
No
No
No
Yes
No
No
No
No
1
Enhanced Timer 2
Yes
UART : Automatic
Address Recogni-
tion
No
UART : Framing er-
ror Detection
No
No
Yes
No
Yes
Yes
No
No
No
No
No
No
No
No
Power–Down output
using external inter-
rupt
ALE disabling
ONCE mode
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
No
No
No
No
Yes
Yes
Yes
No
No
2
EPROM lock bits
NA
Yes
Yes
Yes
Yes
Yes
Yes
Full static design
(Frequency down to
0 Mhz)
Yes
Supply voltage
5 V
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
No
2
3 V
Yes
Speed
12/16 MHz
24 MHz
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
33 MHz
2
40 MHz
Yes
Range
0°C to 70°C
–40°C to 85°C
Package
PDIL 40
PLCC 44
PQFP 44
TQFP 44
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
3
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Power consumption
(Max., 5V)
(at 16 MHz)
(at 16 MHz)
(at 16 MHz)
(at 16 MHz)
(at 12 MHz)
(at 12 MHz)
(at 20 MHz)
Active (mA)
Idle (mA)
PD (µA)
25
8.5
50
25
8.5
50
38
9.5
75
32
5
21
18
50
25
6.5
100
50
7
50
50
1 No clock out generation
2 Under study, no yet available.
3 except 33 MHz
NA: Not Available
MATRA MHS
4
Rev. A – 10 September 1997
TEMIC [ TEMIC SEMICONDUCTORS ]
