參數(shù)資料
型號(hào): 935263158551
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80
封裝: 14 X 20 X 2.70 MM, PLASTIC, QFP-80
文件頁(yè)數(shù): 54/67頁(yè)
文件大小: 516K
代理商: 935263158551
Philips Semiconductors
Product specification
P83C557E6/P80C557E6
Single-chip 8-bit microcontroller
1999 Mar 02
58
tCLKL
Figure 50. External Clock Drive waveform
VIH1
0.8V
tCLK
VIH1
0.8V
tCLKH
tCLKR
tCLKF
2.4 V
0.45 V
2.0 V
0.8 V
NOTE:
Figure 51. AC Testing Input/Output
2.4 V
NOTE:
Figure 52. AC Testing, Float Waveform
AC inputs during testing are driven at 2.4V for a logic ‘HIGH’ and 0.45V for a logic
‘LOW’. Timing measurements are made at 2.0 V for a logic ‘HIGH’ and 0.8 V for a
logic ‘LOW’.
The float state is defined as the point at which a port 0 pin sinks 3.2mA or
2.4 V
0.45 V
Float
2.0 V
0.8 V
2.0 V
0.8 V
Test Points
2.0 V
0.8 V
sources 400
mA at the voltage test levels.
tPXIZ
Figure 53. External Program Memory Read Cycle
ALE
PSEN
PORT 0
PORT 2
A8–A15
A0–A7
tAVLL
tPXIX
tLLAX
INSTR IN
tPLIV
tLHLL
tPLPH
tLLIV
tPLAZ
tLLPL
tAVIV
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