N80C251SQ16 Intel, N80C251SQ16 Datasheet - Page 21

• 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

T
T
T
T
T
T
T
T
T
NOTES:
1.
2.
3.
4.
5.
Symbol
AVDV
AVDV
AVDV
AVRL
AVWL
AVWL
WHQX
WHAX
QVWH
PRELIMINARY
1
2
3
16 MHz.
Specifications for PSEN# are identical to those for RD#.
In the formula, M=Number of wait states (0 or 1) for ALE.
In the formula, N=Number of wait states (0,1,2, or 3) for RD#/PSEN#/WR#.
“Typical” specifications are untested and not guaranteed.
1
2
(2)
Address (P0) Valid to Valid Data/Instruction In
Address (P2) Valid to Valid Data/Instruction In
Address (P0) Valid to Valid Instruction In
Address Valid to RD#/PSEN# Low
Address (P0) Valid to WR# Low
Address (P2) Valid to WR# Low
Data Hold after WR# High
Data Valid to WR# High
WR# High to Address Hold
@ 12 MHz
@ 16 MHz
@ 12 MHz
@ 16 MHz
@ 12 MHz
@ 16 MHz
@ 12 MHz
@ 16 MHz
@ 12 MHz
@ 16 MHz
@ 12 MHz
@ 16 MHz
@ 12 MHz
@ 16 MHz
@ 12 MHz
@ 16 MHz
@ 12 MHz
@ 16 MHz
8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
Parameter
Table 11. AC Characteristics (Continued)
121.6
80
126.6
85
146.6
105
63.3
42.5
138.6
97
156.6
115
@ Max F
Min
243.2
160
268.2
185
116.6
75
osc
Max
(1)
2T
T
T
T
T
T
2(1+M)
2(1+M)
2(1+M)
OSC
2(1+N)
OSC
OSC
OSC
OSC
OSC
Min
F
– 45
– 40
– 20
– 20
– 28
– 10
osc
Variable
2T
4(1+M/2)
T
4(1+M/2)
T
OSC
OSC
OSC
Max
– 90
– 65
– 50
Units
(3)
(3)
(3)
(3)
(3)
(4)
ns
ns
ns
ns
ns
ns
ns
ns
ns
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