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參數(shù)資料
| 型號： | WC32P020-XXM |
| 英文描述： | 16 32-Bit General-Purpose Data and Address Registers |
| 中文描述： | 16 32位通用數(shù)據(jù)和地址寄存器 |
| 文件頁數(shù)： | 7/14頁 |
| 文件大?。?/td> | 488K |
| 代理商： | WC32P020-XXM |
7
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WC32P020-XXM
December 2002
Rev. 2
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
DC ELECTRICAL CHARACTERISTICS
V
CC
= 5.0 V
DC
± 5%, GND = 0 V
DC
, -55°C ≤ T
A
≤ +125°C
Characteristics
Symbol
V
IH
V
IL
I
IN
Min
2.0
Max
V
CC
0.8
4.0
Unit
V
V
μA
Input High Voltage
Input Low Voltage
Input Leakage Current
GND - V
IN
- V
CC
GND -0.5
-4
BERR#, BR#, BGACK#, CLK, IPL0-2#, AVEC#,
CDIS#, DSACK0#, DSACK1#
HALT#, RESET#
-20
-20
2.4
20
20
—
High-Z (Off State) Leakage Current
Output High Voltage
A31-0, AS#, DBEN#, DS#, D31-0, FC2-0 R/W#, RM#, SIZ1-0
A31-0, AS#, BG#, D31-0, DBEN#, DS#, ECS#, R/W#, IPEND#,
I
TSI
V
OH
μA
V
OCS#, RMC#, SIZ1-0, FC2-0
Output Low Voltage
I
OL
= 3.2 mA
I
OL
= 5.3 mA
I
OL
= 2.0 mA
I
OL
= 10.7 mA
Maximum Supply Current
Capacitance (1)
V
IN
= 0V, T
A
= 25°C, f = 1MHz
Load Capacitance
A31-0, FC2-0, SIZ1-0, BG#, D31-0
AS#, DS#, R/W#, RMC#, DBEN#, IPEND#
ECS#, OCS#
HALT#, RESET#
V
OL
—
—
—
—
—
—
0.5
0.5
0.5
0.5
333
20
V
I
CC
C
IN
mA
pF
ECS#, OCS#
All Other
C
L
—
50
130
pF
NOTES:
1. Capacitance is guaranteed by design but not tested.
AC ELECTRICAL SPECIFICATIONS – CLOCK INPUT (see Figure 5)
Characteristic
Frequency of Operation
Cycle Time
Clock Pulse Width
Rise and Fall Times
Specification
16.67 MHz
Min
8
60
24
—
20 MHz
25MHz
Unit
MHz
ns
ns
ns
Max
16.67
125
95
5
Min
12.5
50
20
—
Max
20
80
54
5
Min
12.5
40
19
—
Max
25
80
61
4
1
2,3
4,5
NOTE: Timing measurements are referenced to and from a low 0.8V and a high voltage of 2.0V, unless otherwise noted. The voltage swing
through this range should start outside and pass through the range such that the rise or fall will be linear between 0.8V and 2.0V.
2
3
1
5
4
2.0 V
0.8 V
FIGURE 5 – CLOCK INPUT TIMING DIAGRAM
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