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87C552 Datasheet(PDF) 20 Page - NXP Semiconductors |
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87C552 Datasheet(HTML) 20 Page - NXP Semiconductors |
20 / 24 page Philips Semiconductors Product specification 87C552 80C51 8-bit microcontroller 8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O 1998 May 01 20 EPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS Tamb = 21°C to +27°C, VDD = 5V±10%, VSS = 0V 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 tSHGL tGHSL tGLGH tGHGL tAVGL tGHAX tDVGL tGHDX P1.0–P1.7 P2.0–P2.4 PORT 0 ALE/PROG EA/VPP P2.7 ENABLE SU00020 tEHSH * FOR PROGRAMMING VERIFICATION SEE FIGURE 17. FOR VERIFICATION CONDITIONS SEE TABLE 3. Figure 18. EPROM Programming and Verification Purchase of Philips I2C components conveys a license under the Philips’ I2C patent to use the components in the I2C system provided the system conforms to the I2C specifications defined by Philips. This specification can be ordered using the code 9398 393 40011. |
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