参数资料
型号: P87C251SQ16
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: HIGH-PERFORMANCE CHMOS MICROCONTROLLER
中文描述: 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDIP40
封装: PLASTIC, DIP-40
文件页数: 32/35页
文件大小: 186K
代理商: P87C251SQ16
32
PRELIMINARY
8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
Figure 18. External Clock Drive Waveforms
Figure 19. AC Testing Input, Output Waveforms
Figure 20. Float Waveforms
0.7 V
CC
A4119-01
0.45 V
V
CC
– 0.5
0.2 V
CC
– 0.1
T
CHCL
T
CLCX
T
CLCL
T
CLCH
T
CHCX
AC inputs during testing are driven at V
– 0.5V for a logic 1
and 0.45 V for a logic 0. Timing measurements are made at
a min of V
IH
for a logic 1 and V
OL
for a logic 0.
0.45 V
Inputs
Outputs
A4118-01
V
IH MIN
V
OL MAX
V
CC
– 0.5
0.2 V
CC
+ 0.9
0.2 V
CC
– 0.1
V
LOAD
+ 0.1 V
V
LOAD
– 0.1 V
Timing Reference
Points
V
LOAD
V
OH
– 0.1 V
V
OL
+ 0.1 V
For timing purposes, a port pin is no longer floating when a
100 mV change from load voltage occurs and begins to float
when a 100 mV change from the loading V
OH
/V
OL
level occurs
with I
OL/
I
OH
=
± 20 mA.
A4117-01
相关PDF资料
PDF描述
P80C287-10 Arithmetic Processor
D80C287-10 Arithmetic Processor
D80C287-12 Arithmetic Processor
D80C287-16 Arithmetic Processor
D80C287-8 Arithmetic Processor
相关代理商/技术参数
参数描述
P87C31X2 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz
P87C32X2 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz
P87C34X2 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz
P87C380 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Microcontrollers for monitors with DDC interface, auto-sync detection and sync proc.
P87C380AERF 制造商:NXP Semiconductors 功能描述: