參數(shù)資料
型號(hào): 935266844512
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PDSO20
封裝: 7.50 MM, SO-20
文件頁(yè)數(shù): 46/58頁(yè)
文件大小: 312K
代理商: 935266844512
Philips Semiconductors
Preliminary specification
87LPC764
Low power, low price, low pin count (20 pin)
microcontroller with 4 kB OTP
2000 Jun 01
47
CLEAR RI
tXLXL
CLOCK
tXHQX
tQVXH
OUTPUT DATA
WRITE TO SBUF
INPUT DATA
tXHDV
tXHDX
SET TI
SET RI
SU01187
7
123
456
0
VALID
Figure 38. Shift Register Mode Timing
SU01188
VDD – 0.5
0.45V
0.2VDD + 0.9
0.2 VDD – 0.1
tCHCL
tCLCH
tCHCX
tCLCX
tC
Figure 39. External Clock Timing
SU01202
100
10
1
10
100
Idd
(uA)
Frequency (kHz)
6.0 V
5.0 V
4.0 V
3.3 V
2.7 V
Figure 40. Typical Idd versus frequency (low frequency
oscillator, 25
°C)
SU01203
1000
100
10
100
10,000
Idd
(uA)
Frequency (kHz)
1,000
6.0 V
5.0 V
2.7 V
6.0 V
5.0 V
4.0 V
3.3 V
2.7 V
Figure 41. Typical Idd versus frequency (medium frequency
oscillator, 25
°C)
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