p80c550efaa NXP Semiconductors, p80c550efaa Datasheet - Page 24

• Manufacturer Part Number: p80c550efaa
• Description: 80c51 8-bit Microcontroller Family 4k/128 Otp/rom/romless, Channel Watchdog Timer
• Manufacturer: NXP Semiconductors

*
Philips Semiconductors
EPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS
T
NOTE:
1998 May 01
amb
SYMBOL
V
I
1/t
t
t
t
t
t
t
t
t
t
t
t
t
PP
AVGL
GHAX
DVGL
GHDX
EHSH
SHGL
GHSL
GLGH
AVQV
ELQZ
EHQZ
GHGL
PP
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
FOR PROGRAMMING VERIFICATION, SEE FIGURE 17.
FOR VERIFICATION CONDITIONS, SEE FIGURE 19.
CLCL
= 21 C to +27 C, V
ALE/PROG
P3.0–P3.7
P2.0–P2.4
P2.7
ENABLE
EA/V
PORT 0
PP
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
V
V
PROG width
Address to data valid
ENABLE low to data valid
Data float after ENABLE
PROG high to PROG low
PP
PP
setup to PROG low
hold after PROG
CC
t
DVGL
= 5V 10%, V
t
EHSH
t
SHGL
t
GLGH
t
AVGL
PARAMETER
SS
PP
PROGRAMMING
= 0V (See Figure 20)
Figure 20. EPROM Programming and Verification
ADDRESS
DATA IN
*
t
GHAX
t
t
GHGL
GHSL
LOGIC 0
t
24
GHDX
LOGIC 1
t
ELQV
48t
48t
48t
48t
48t
12.5
MIN
10
10
90
10
CLCL
CLCL
CLCL
CLCL
CLCL
4
0
80C550/83C550/87C550
VERIFICATION
t
AVQV
ADDRESS
LOGIC 1
DATA OUT
*
48t
48t
48t
MAX
13.0
110
50
CLCL
CLCL
CLCL
6
t
EHQZ
Product specification
UNIT
MHz
mA
SU00207
V
s
s
s
s