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P87C550EBAA Datasheet(PDF) 24 Page - NXP Semiconductors

Part # P87C550EBAA
Description  80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
PDF  28 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P87C550EBAA Datasheet(HTML) 24 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
80C550/83C550/87C550
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
1998 May 01
24
EPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS
Tamb = 21°C to +27°C, VCC = 5V±10%, VSS = 0V (See Figure 20)
SYMBOL
PARAMETER
MIN
MAX
UNIT
VPP
Programming supply voltage
12.5
13.0
V
IPP
Programming supply current
50
mA
1/tCLCL
Oscillator frequency
4
6
MHz
tAVGL
Address setup to PROG low
48tCLCL
tGHAX
Address hold after PROG
48tCLCL
tDVGL
Data setup to PROG low
48tCLCL
tGHDX
Data hold after PROG
48tCLCL
tEHSH
P2.7 (ENABLE) high to VPP
48tCLCL
tSHGL
VPP setup to PROG low
10
µs
tGHSL
VPP hold after PROG
10
µs
tGLGH
PROG width
90
110
µs
tAVQV
Address to data valid
48tCLCL
tELQZ
ENABLE low to data valid
48tCLCL
tEHQZ
Data float after ENABLE
0
48tCLCL
tGHGL
PROG high to PROG low
10
µs
PROGRAMMING
*
VERIFICATION
*
ADDRESS
ADDRESS
DATA IN
DATA OUT
LOGIC 1
LOGIC 1
LOGIC 0
tAVQV
tEHQZ
tELQV
tEHSH
tSHGL
tGHSL
tGLGH
tGHGL
tAVGL
tGHAX
tDVGL
tGHDX
P3.0–P3.7
P2.0–P2.4
PORT 0
ALE/PROG
EA/VPP
P2.7
ENABLE
SU00207
NOTE:
*
FOR PROGRAMMING VERIFICATION, SEE FIGURE 17.
FOR VERIFICATION CONDITIONS, SEE FIGURE 19.
Figure 20. EPROM Programming and Verification



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