參數(shù)資料
型號(hào): P87C557E8
廠商: NXP Semiconductors N.V.
元件分類: 8位微控制器
英文描述: 8 BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁(yè)數(shù): 77/84頁(yè)
文件大?。?/td> 322K
代理商: P87C557E8
1999 Mar 12
77
Philips Semiconductors
Product specification
8-bit microcontroller
P8xC557E8
Table 87
EPROM programming and verification characteristics
V
DD
= 5 V
±
10%; V
SS
= 0 V; T
amb
= 21
°
C to 27
°
C.
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
V
PP
I
PP
f
clk
t
AVGL
t
GHAX
t
DVGL
t
GHDX
t
EHSH
t
SHGL
t
GHSL
t
GLGH
t
AVQV
t
ELQV
t
EHQZ
t
GHGL
programming supply voltage
programming supply current
oscillator frequency
address set-up to PROG LOW
address hold after PROG HIGH
data set-up to PROG LOW
data hold after PROG HIGH
P2.7 (ENABLE) HIGH to V
pp
V
pp
set-up to PROG LOW
V
pp
hold after PROG HIGH
PROG pulse width
address to data valid
P2.7 (ENABLE) LOW to data valid
data float after P2.7 (ENABLE) HIGH
PROG HIGH to PROG LOW
12.5
4
48 t
clk
48 t
clk
48 t
clk
48 t
clk
48 t
clk
10
10
45
0
5
13.0
50
6
55
48t
clk
48t
clk
48t
clk
V
mA
MHz
μ
s
μ
s
μ
s
μ
s
Fig.35 EPROM Programming and Verification.
(1) For programming see Fig.32.
(2) For verification conditions see Fig.34.
handbook, full pagewidth
tGHSL
tGHGL
tGLGH
tSHGL
tAVGL
tDVGL
tGHDX
tGHAX
DATA IN
DATA OUT
ADDRESS
ADDRESS
tAVQV
tEHSH
tELQV
tEHQZ
HIGH
LOW
P1.0 - P1.7
P2.0 - P2.5
P3.4 - P3.5
PORT 0
ALE/PROG
EA/VPP
MGD633
(ENABLE)
P2.7
PROGRAMMING(1)
VERIFICATION(2)
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