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P87C58IFBB Datasheet(PDF) 21 Page - NXP Semiconductors |
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P87C58IFBB Datasheet(HTML) 21 Page - NXP Semiconductors |
21 / 21 page Philips Semiconductors Preliminary specification 87C54/87C58 CMOS single-chip 8-bit microcontrollers 1996 Aug 16 3-235 EPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS Tamb = 21°C to +27°C, VCC = 5V±10%, VSS = 0V (See Figure 19) SYMBOL PARAMETER MIN MAX UNIT VPP Programming supply voltage 12.5 13.0 V IPP Programming supply current 50 1 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 NOTE: 1. Not tested. 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–P2.5 P3.4 (A0 – A14) PORT 0 P0.0 – P0.7 (D0 – D7) ALE/PROG EA/VPP P2.7 ENABLE SU00180 tEHSH * FOR PROGRAMMING VERIFICATION SEE FIGURE 16. FOR VERIFICATION CONDITIONS SEE FIGURE 18. Figure 19. EPROM Programming and Verification |
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