參數(shù)資料
型號(hào): P87C550EFAA
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: AT25F1024 1M BIT SPI FLASH - SO8
中文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁(yè)數(shù): 17/28頁(yè)
文件大小: 190K
代理商: P87C550EFAA
Philips Semiconductors
Product specification
80C550/83C550/87C550
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
1998 May 01
17
AC ELECTRICAL CHARACTERISTICS
T
amb
= 0
°
C to +70
°
C or –40
°
C to +85
°
C, V
CC
= 5V
±
10% (87C550), V
CC
= 5V
±
20% (80/83C550), V
SS
= 0V
1, 2
16MHz CLOCK
VARIABLE CLOCK
SYMBOL
FIGURE
PARAMETER
MIN
MAX
MIN
MAX
UNIT
1/t
CLCL
5
Oscillator frequency:
Speed Versions
S8XC550 Exx
3.5
16
MHz
t
LHLL
t
AVLL
t
LLAX
t
LLIV
t
LLPL
t
PLPH
t
PLIV
t
PXIX
t
PXIZ
t
AVIV
t
PLAZ
Data Memory
5
ALE pulse width
85
2t
CLCL
–40
t
CLCL
–55
t
CLCL
–35
ns
5
Address valid to ALE low
7
ns
5
Address hold after ALE low
27
ns
5
ALE low to valid instruction in
150
4t
CLCL
–100
ns
5
ALE low to PSEN low
22
t
CLCL
–40
3t
CLCL
–45
ns
5
PSEN pulse width
142
ns
5
PSEN low to valid instruction in
82
3t
CLCL
–105
ns
5
Input instruction hold after PSEN
0
0
ns
5
Input instruction float after PSEN
37
t
CLCL
–25
5t
CLCL
–105
10
ns
5
Address to valid instruction in
207
ns
5
PSEN low to address float
10
ns
t
RLRH
t
WLWH
t
RLDV
t
RHDX
t
RHDZ
t
LLDV
t
AVDV
t
LLWL
t
AVWL
t
QVWX
t
WHQX
t
RLAZ
t
WHLH
External Clock
6, 7
RD pulse width
275
6t
CLCL
–100
6t
CLCL
–100
ns
6, 7
WR pulse width
275
ns
6, 7
RD low to valid data in
212
5t
CLCL
–165
ns
6, 7
Data hold after RD
0
0
ns
6, 7
Data float after RD
55
2t
CLCL
–70
8t
CLCL
–150
9t
CLCL
–165
3t
CLCL
+50
ns
6, 7
ALE low to valid data in
350
ns
6, 7
Address to valid data in
397
ns
6, 7
ALE low to RD or WR low
137
247
3t
CLCL
–50
4t
CLCL
–130
t
CLCL
–50
t
CLCL
–50
ns
6, 7
Address valid to WR low or RD low
120
ns
6, 7
Data valid to WR transition
12
ns
6, 7
Data hold after WR
12
ns
6, 7
RD low to address float
0
0
ns
6, 7
RD or WR high to ALE high
22
102
t
CLCL
–40
t
CLCL
+40
ns
t
CHCX
t
CLCX
t
CLCH
t
CHCL
Shift Register
9
High time
20
20
ns
9
Low time
20
20
ns
9
Rise time
20
20
ns
9
Fall time
20
20
ns
t
XLXL
t
QVXH
t
XHQX
t
XHDX
t
XHDV
NOTES:
1. Parameters are valid over operating temperature range unless otherwise specified.
2. Load capacitance for port 0, ALE, and PSEN = 100pF, load capacitance for all other outputs = 80pF.
8
Serial port clock cycle time
750
12t
CLCL
10t
CLCL
–133
2t
CLCL
–117
0
ns
8
Output data setup to clock rising edge
492
ns
8
Output data hold after clock rising edge
8
ns
8
Input data hold after clock rising edge
0
ns
8
Clock rising edge to input data valid
492
10t
CLCL
–133
ns
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