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: 34/35页
文件大小: 186K
代理商: P87C251SQ16
34
PRELIMINARY
8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
7.2
Programming and Verification Timing for Nonvolatile Memory
Figure 21. Timing for Programming and Verification of Nonvolatile Memory
Table 18. Nonvolatile Memory Programming and Verification Characteristics at
T
A
= 21 – 27 °C, V
CC
= 5 V, and V
SS
= 0 V
Definition
Symbol
Min
Max
Units
V
PP
I
PP
F
OSC
T
AVGL
T
GHAX
T
DVGL
T
GHDX
T
EHSH
T
SHGL
T
GHSL
T
GLGH
Programming Supply Voltage
12.5
13.5
D.C. Volts
Programming Supply Current
75
mA
Oscillator Frequency
4.0
6.0
MHz
Address Setup to PROG# Low
48T
OSC
48T
OSC
48T
OSC
48T
OSC
48T
OSC
10
Address Hold after PROG#
Data Setup to PROG# Low
Data Hold after PROG#
ENABLE High to V
PP
V
PP
Setup to PROG# Low
V
PP
Hold after PROG#
PROG# Width
μ
s
μ
s
μ
s
10
90
110
PROG#
EA#/V
PP
P1, P3
A4128-01
Address
Address (16 Bits)
P2
Data Out
Data In (8 Bits)
TAVQV
TGHDX
TGHAX
TDVGL
TAVGL
TGHGL
TGHSL
1
2
3
4
5
TGLGH
TSHGL
P0
Mode
Mode (8 Bits)
TEHSH
TELQV
TEHQZ
12.75V
Programming Cycle
Verification Cycle
5V
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