80C550 Datasheet, PDF (24/28 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer

Philips Semiconductors
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
Product specification
80C550/83C550/87C550
EPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS
T_amb = 21°C to +27°C, V_CC = 5V±10%, V_SS = 0V (See Figure 20)
SYMBOL
PARAMETER
MIN
V_PP
I_PP
1/t_CLCL
t_AVGL
t_GHAX
t_DVGL
t_GHDX
t_EHSH
t_SHGL
t_GHSL
t_GLGH
t_AVQV
t_ELQZ
t_EHQZ
t_GHGL
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 V_PP
V_PP setup to PROG low
V_PP hold after PROG
PROG width
Address to data valid
ENABLE low to data valid
Data float after ENABLE
PROG high to PROG low
12.5
4
48t_CLCL
48t_CLCL
48t_CLCL
48t_CLCL
48t_CLCL
10
10
90
0
10
MAX
13.0
50
6
110
48t_CLCL
48t_CLCL
48t_CLCL
P3.0–P3.7
P2.0–P2.4
PORT 0
ALE/PROG
PROGRAMMING*
ADDRESS
t_DVGL
t_AVGL
DATA IN
t_GHAX
t_GHDX
t_GLGH
t_SHGL
t_GHGL
t_GHSL
VERIFICATION*
ADDRESS
t_AVQV
DATA OUT
EA/V_PP
P2.7
ENABLE
t_EHSH
LOGIC 0
LOGIC 1
t_ELQV
LOGIC 1
NOTE:
* FOR PROGRAMMING VERIFICATION, SEE FIGURE 17.
FOR VERIFICATION CONDITIONS, SEE FIGURE 19.
Figure 20. EPROM Programming and Verification
t_EHQZ
UNIT
V
mA
MHz
µs
µs
µs
µs
SU00207
1998 May 01
24