參數(shù)資料
型號(hào): MCZ33993EW
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Multiple Switch Detection Interface
中文描述: 多交換檢測接口
文件頁數(shù): 7/28頁
文件大?。?/td> 504K
代理商: MCZ33993EW
Analog Integrated Circuit Device Data
Freescale Semiconductor
7
33993
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 4. Dynamic Electrical Characteristics
Characteristics noted under conditions 3.1 V
V
DD
5.25 V, 8.0 V
V
PWR
16 V, -40
°
C
T
C
125
°
C, unless otherwise
noted. Typical values noted reflect the approximate parameter means V
PWR
= 13 V, T
A
= 25
°
C under nominal conditions unless
otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
SWITCH INPUT
Pulse Wetting Current Time
t
PULSE
(
ON
)
15
16
20
ms
Interrupt Delay Time
Normal Mode
t
INT-DLY
5.0
16
μ
s
Sleep Mode Switch Scan Time
t
SCAN
100
200
300
μ
s
Calibrated Scan Timer Accuracy
Sleep Mode
t
SCAN TIMER
10
%
Calibrated Interrupt Timer Accuracy
Sleep Mode
t
INT TIMER
10
%
DIGITAL INTERFACE TIMING
(11)
Required Low State Duration on V
PWR
for Reset
(12)
V
PWR
0.2 V
t
RESET
10
μ
s
Falling Edge of CS to Rising Edge of SCLK
Required Setup Time
t
LEAD
100
ns
Falling Edge of SCLK to Rising Edge of
CS
Required Setup Time
t
LAG
50
ns
SI to Falling Edge of SCLK
Required Setup Time
t
SI (
SU
)
16
ns
Falling Edge of SCLK to SI
Required Hold Time
t
SI (HOLD)
20
ns
SI,
CS
, SCLK Signal Rise Time
(13)
t
R
(SI)
5.0
ns
SI,
CS
, SCLK Signal Fall Time
(13)
t
F
(SI)
5.0
ns
Time from Falling Edge of
CS
to SO Low Impedance
(14)
t
SO (
EN
)
55
ns
Time from Rising Edge of
CS
to SO High Impedance
(15)
t
SO (
DIS
)
55
ns
Time from Rising Edge of SCLK to SO Data Valid
(16)
t
VALID
25
55
ns
Notes
11.
12.
13.
These parameters are guaranteed by design. Production test equipment uses a 4.16 MHz, 5.0 V SPI interface.
This parameter is guaranteed by design but not production tested.
Rise and Fall time of the incoming SI,
CS
, and SCLK signals are suggested for design considerations to prevent the occurrence of double
pulsing.
Time required for valid output status data to be available on SO pin.
Time required for output states data to be terminated at SO pin.
Time required to obtain valid data out from SO following the rise of SCLK with 200 pF load.
14.
15.
16.
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