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參數(shù)資料
| 型號(hào)： | LS87C54 |
| 廠商： | INTEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER |
| 中文描述： | 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | QFP-44 |
| 文件頁(yè)數(shù)： | 7/23頁(yè) |
| 文件大小： | 319K |
| 代理商： | LS87C54 |
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8XC52/54/58
8XC5X EXPRESS
The Intel EXPRESS system offers enhancements to
the operational specifications of the MCS 51 family
of microcontrollers. These EXPRESS products are
designed to meet the needs of those applications
whose operating requirements exceed commercial
standards.
The EXPRESS program includes the commercial
standard temperature range with burn-in and an ex-
tended temperature range with or without burn-in.
With the commercial standard temperature range,
operational characteristics are guaranteed over the
temperature range of 0
§
C to
a
70
§
C. With the ex-
tended temperature range option, operational char-
acteristics are guaranteed over the range of
b
40
§
C
to
a
85
§
C.
The optional burn-in is dynamic for a minimum time
of 168 hours at 125
§
C with V
CC
e
6.9V
g
0.25V,
following guidelines in MIL-STD-883, Method 1015.
Package types and EXPRESS versions are identified
by a one- or two-letter prefix to the part number. The
prefixes are listed in Table 3.
For the extended temperature range option, this
data sheet specifies the parameters which deviate
from their commercial temperature range limits.
NOTE:
Intel offers Express Temperature specifica-
tions for all 8XC5X speed options except for
33 MHz.
Table 3. Prefix Identification
Prefix
Package
Type
Temperature
Range
Burn-In
P
Plastic
Commercial
No
D
Cerdip
Commercial
No
N
PLCC
Commercial
No
S
QFP
Commercial
No
TP
Plastic
Extended
No
TD
Cerdip
Extended
No
TN
PLCC
Extended
No
TS
QFP
Extended
No
LP
Plastic
Extended
Yes
LD
Cerdip
Extended
Yes
LN
PLCC
Extended
Yes
LS
QFP
Extended
Yes
NOTE:
Contact distributor or local sales office to match EXPRESS prefix with proper device.
EXAMPLES:
P80C52 indicates 80C52 in a plastic package and specified for commercial temperature range, without burn-in. TD80C52
indicates 80C52 in a Cerdip package and specified for extended temperature range, without burn-in.
7
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