參數(shù)資料
型號(hào): P87C654X2
廠商: NXP Semiconductors N.V.
英文描述: Octal Edge-Triggered D-Type Flip-Flops with 3-State Outputs 20-CDIP -55 to 125
中文描述: 80C51的8位單片機(jī)系列16kB的檢察官辦公室/光盤,256B的RAM,低電壓(2.7至5.5 V),低功耗,高速(三十三分之三十〇兆赫)
文件頁數(shù): 73/88頁
文件大?。?/td> 497K
代理商: P87C654X2
Philips Semiconductors
Product data
P83C654X2/P87C654X2
80C51 8-bit microcontroller family
16 kB OTP/ROM,
256B RAM, low voltage (2.7 to 5.5 V), low power, high speed
(30/33 MHz)
2004 Apr 20
73
t
HD;DAT
Data hold time:
– for CBUS compatible masters
– for I
2
C–bus devices
Data set-up time
Rise time of both SDA and SCL signals
Fall time of both SDA and SCL signals
Set-up time for STOP condition
Capacitive load for each bus line
Pulse width of spikes which must be sup-
pressed by the input filter
5.0
0
0
0.9
μ
s
t
SU;DAT
t
FD
, t
FC
t
FD
, t
FC
t
SU; STO
C
b
t
SP
250
4.0
1000
300
400
100
20 + 0.1 c
b
20 + 0.1 c
b
0.6
0
300
300
400
50
ns
ns
ns
μ
s
pF
ns
NOTES:
1. Parameters are valid over operating temperature range unless otherwise specified.
2. Load capacitance for port 0, ALE, and PSEN=100 pF, load capacitance for all outputs = 80 pF
3. Interfacing the microcontroller to devices with float time up to 45ns is permitted. This limited bus contention will not cause damage to port 0
drivers.
4. Parts are guaranteed by design to operate down to 0 Hz.
5. Data shown in the table are the best mathematical models for the set of measured values obtained in tests. If a particular parameter
calculated at a customer specified frequency has a negative value, it should be considered equal to zero.
6. Below 16 MHz this parameter is 4t
CLCL
– 133
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