87C524 데이터 시트보기 (PDF) - Philips Electronics

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87C524

80C51 8-bit microcontrollers 16K/32K, 512 OTP, I2C, watchdog timer

Philips Electronics 

Philips Semiconductors

80C51 8-bit microcontrollers

16K/32K, 512 OTP, I2C, watchdog timer

Product specification

87C524/87C528

EPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS

Tamb = 21°C to +27°C, Vcc = 5 V±10%, VSS = 0 V (See Figure 17)

SYMBOL

PARAMETER

VPP

IPP

1/tCLCL

tAVGL

tGHAX

tDVGL

tGHDX

tEHSH

tSHGL

tGHSL

tGLGH

tAVQV

tELQZ

tEHQZ

tGHGL

Programming supply voltage

Programming supply current

Oscillator frequency

Address setup to PROG low

Address hold after PROG

Data setup to PROG low

Data hold after PROG

P2.7 (ENABLE) high to VPP

VPP setup to PROG low

VPP hold after PROG

PROG width

Address to data valid

ENABLE low to data valid

Data float after ENABLE

PROG high to PROG low

MIN

12.5

4

48tCLCL

48tCLCL

48tCLCL

48tCLCL

48tCLCL

10

10

90

0

10

MAX

13.0

50

6

110

48tCLCL

48tCLCL

48tCLCL

P1.0–P1.7

P2.0–P2.5

PORT 0

ALE/PROG

PROGRAMMING*

ADDRESS

tDVGL

tAVGL

tGLGH

tSHGL

DATA IN

tGHDX

tGHAX

tGHGL

tGHSL

VERIFICATION*

ADDRESS

tAVQV

DATA OUT

EA/VPP

P2.7

ENABLE

tEHSH

LOGIC 0

LOGIC 1

tELQV

LOGIC 1

NOTE:

* FOR PROGRAMMING VERIFICATION SEE FIGURE 14.

FOR VERIFICATION CONDITIONS SEE FIGURE 16.

Figure 17. EPROM Programing and Verification

tEHQZ

UNIT

V

mA

MHz

µs

µs

µs

µs

SU00174

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.

1999 Jul 23

21

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