80C51 Datasheet, PDF (32/38 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz

Philips Semiconductors
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
Product specification
80C51/87C51/80C31
EPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS
T_amb = 21°C to +27°C, V_CC = 5V±10%, V_SS = 0V (See Figure 29)
SYMBOL
PARAMETER
V_PP
Programming supply voltage
I_PP
Programming supply current
1/t_CLCL
Oscillator frequency
t_AVGL
Address setup to PROG low
t_GHAX
Address hold after PROG
t_DVGL
Data setup to PROG low
t_GHDX
Data hold after PROG
t_EHSH
P2.7 (ENABLE) high to V_PP
t_SHGL
V_PP setup to PROG low
t_GHSL
V_PP hold after PROG
t_GLGH
PROG width
t_AVQV
Address to data valid
t_ELQZ
ENABLE low to data valid
t_EHQZ
Data float after ENABLE
t_GHGL
PROG high to PROG low
NOTE:
1. Not tested.
MIN
12.5
4
48t_CLCL
48t_CLCL
48t_CLCL
48t_CLCL
48t_CLCL
10
10
90
0
10
MAX
13.0
50 ¹
6
110
48t_CLCL
48t_CLCL
48t_CLCL
UNIT
V
mA
MHz
µs
µs
µs
µs
P1.0–P1.7
P2.0–P2.5
P3.4
(A0 – A14)
PORT 0
P0.0 – P0.7
(D0 – D7)
ALE/PROG
EA/V_PP
P2.7
**
PROGRAMMING*
ADDRESS
t_DVGL
t_AVGL
t_GLGH
t_SHGL
t_EHSH
DATA IN
t_GHDX
t_GHAX
t_GHGL
t_GHSL
LOGIC 0
LOGIC 1
t_ELQV
VERIFICATION*
ADDRESS
t_AVQV
DATA OUT
LOGIC 1
t_EHQZ
NOTES:
* FOR PROGRAMMING CONFIGURATION SEE FIGURE 26.
FOR VERIFICATION CONDITIONS SEE FIGURE 28.
** SEE TABLE 8.
Figure 29. EPROM Programming and Verification
SU00871
2000 Jan 20
32