P8XC557E4 NXP Semiconductors, P8XC557E4 Datasheet - Page 57
![The P80C557E4/P83C557E4/P89C557E4 (hereafter generically referred to as P8xC557E4) single-chip 8-bit microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family](/photos/41/53/415310/sot318-2_3d_sml.gif)
P8XC557E4
Manufacturer Part Number
P8XC557E4
Description
The P80C557E4/P83C557E4/P89C557E4 (hereafter generically referred to as P8xC557E4) single-chip 8-bit microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family
Manufacturer
NXP Semiconductors
Datasheet
1.P8XC557E4.pdf
(72 pages)
- Current page: 57 of 72
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Philips Semiconductors
FEEPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS
T
1999 Mar 02
amb
SYMBOL
Single-chip 8-bit microcontroller
1/t
t
t
t
t
t
t
t
t
t
t
t
AVWL
WHAX
DVWL
WHDX
EHWL
WHEL
WLWHp
WLWHe
AVQV
ELQV
EHQZ
P1.0–P1.7
P2.0–P2.5
P0.0–P0.7
= –40 C to +85 C, V
CLK
ALE/WE
P2.7
ENABLE
P3.4
System clock frequency (standard oscillator)
Address setup to WE LOW
Address hold after WE HIGH
Data setup to WE LOW
Data hold after WE HIGH
P2.7 (ENABLE) HIGH to WE LOW
WE HIGH to P2.7 (ENABLE) LOW
WE width (programming)
WE width (erase)
Address to data valid
P2.7 (ENABLE) Low to data valid
Data float after P2.7 (ENABLE) HIGH
DD
t
EHWL
= 5 V
* For ERASE conditions see Figure 50.
Figure 53. FEEPROM Programming/Erase and Verification Waveforms
For PROGRAM conditions see Figure 51.
For VERIFY conditions see Figure 52.
ADDRESS (programming)
PROGRAMMING*/Erase*
t
10%, V
PARAMETER
AVWL
t
DVWL
(programing)
DATA IN
SS
= 0 V (see Figure 53)
t
WHDX
t
t
WLWHe
WLWHp
t
WHAX
t
WHEL
57
P83C557E4/P80C557E4/P89C557E4
t
ELQV
48t
48t
48t
48t
48t
48t
2.25
MIN
t
4.5
AVQV
4
–
–
0
CLK
CLK
CLK
CLK
CLK
CLK
VERIFICATION*
DATA OUT
ADDRESS
48t
48t
48t
MAX
2.75
5.5
6
–
–
–
–
–
–
CLK
CLK
CLK
t
EHQZ
Product specification
UNIT
MHz
ms
ms
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