N80C251SQ16 Intel, N80C251SQ16 Datasheet - Page 34

• Manufacturer Part Number: N80C251SQ16
• Description: IC MPU 8-BIT 5V 16MHZ 44-PLCC
• Manufacturer: Intel
• Series: 80Cr

Specifications of N80C251SQ16

• Rohs Status: RoHS non-compliant
• Core Processor: MCS 251
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SIO
• Peripherals: PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Other names: 804459

34
8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
7.2 Programming and Verification Timing for Nonvolatile Memory
V
I
F
T
T
T
T
T
T
T
T
Symbol
PP
AVGL
EHSH
SHGL
OSC
GHAX
DVGL
GHDX
GHSL
GLGH
PP
EA#/V
PROG#
P1, P3
PP
P2
P0
5V
Table 18. Nonvolatile Memory Programming and Verification Characteristics at
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#
ENABLE High to V
V
V
PROG# Width
12.75V
PP
PP
Figure 21. Timing for Programming and Verification of Nonvolatile Memory
Setup to PROG# Low
Hold after PROG#
T GLGH
T AVGL
T SHGL
Definition
T EHSH
T DVGL
1
PP
Programming Cycle
T
A
Address (16 Bits)
Data In (8 Bits)
T GHGL
2
= 21 – 27 °C, V
Mode (8 Bits)
3
T GHDX
4
5
CC
= 5 V, and V
48T
48T
48T
48T
48T
T GHAX
T GHSL
12.5
Min
4.0
10
10
90
OSC
OSC
OSC
OSC
OSC
SS
= 0 V
T ELQV
Max
13.5
110
6.0
75
Verification Cycle
PRELIMINARY
T AVQV
Mode
Address
Data Out
T EHQZ
D.C. Volts
Units
MHz
mA
s
s
s
A4128-01