參數(shù)資料
型號(hào): 87C751
廠商: NXP Semiconductors N.V.
英文描述: 80C51 8-Bit Microcontroller Family2K/64 OTP/ROM, I 2 C, low pin count(80C51 8位微控制器系列(2K/64 OTP/ROM,IIC,低引腳數(shù)))
中文描述: 80C51的8位微控制器Family2K/64檢察官辦公室/光盤,的I 2 C,低引腳數(shù)(80C51的8位微控制器系列(2K/64檢察官辦公室/光盤,進(jìn)口證,低引腳數(shù)))
文件頁(yè)數(shù): 8/24頁(yè)
文件大?。?/td> 211K
代理商: 87C751
Philips Semiconductors
Product specification
83C751/87C751
80C51 8-bit microcontroller family
2K/64 OTP/ROM, I
2
C, low pin count
1998 May 01
8
EXPLANATION OF THE AC SYMBOLS
Each timing symbol has five characters. The first character is always
‘t’ (= time). The other characters, depending on their positions,
indicate the name of a signal or the logical status of that signal. The
designations are:
C –
Clock
D –
Input data
H –
Logic level high
L
Logic level low
Q –
Output data
T –
Time
V –
Valid
X –
No longer a valid logic level
Z –
Float
t
CHCL
t
CLCL
t
CLCH
t
CHCX
V
CC
–0.5
0.45V
0.2 V
CC
+ 0.9
0.2 V
CC
– 0.1
t
CLCX
SU00297
Figure 1. External Clock Drive
4MHz
8MHz
12MHz
16MHz
FREQ
MAX ACTIVE I
CC5
TYP ACTIVE I
CC5
MAX IDLE I
CC6
TYP IDLE I
CC6
I
CC
(mA)
2
4
6
8
10
12
14
16
18
20
22
SU00298
Figure 2. I
CC
vs. FREQ
Maximum I
CC
values taken at V
CC
max and worst case temperature.
Typical I
CC
values taken at V
CC
= 5.0V and 25
°
C.
Notes 5 and 6 refer to DC Electrical Characteristics.
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