參數(shù)資料
型號： MC33780EG
廠商： Freescale Semiconductor
文件頁數(shù)： 36/37頁
文件大小： 0K
描述： IC DBUS MASTER DUAL DIFF 16-SOIC
標(biāo)準(zhǔn)包裝： 47
系列： *
類型： *
應(yīng)用： *
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOIC W
包裝： 管件
Analog Integrated Circuit Device Data
8
Freescale Semiconductor
33780
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
BUS TRANSMITTER
Idle-to-Signal and Signal-to-Idle Slew Rate (12
≤ V
SUP ≤ 25 V)
tSLEW(IDLE)
2.0
4.5
8.0
V/
s
Signal High-to-Low and Signal Low-to-High Slew Rate (10), (13)
(See Data Valid DSIS to DnD Timing)
tSLEW(SIGNAL)
3.0
4.5
8.0
V/
s
Communication Data Rate Capability (13) (Ensured by Transmitter Data
Valid and Receiver Delay Measurements)
DRATE
–
150
kbps
Signal Bit Time (1 / DRATE)
tBIT
6.67
–
s
INT
Turn ON Delay, DBUS Transaction End to Receive FIFO
INT
tINTON
–
1/3 * tBIT
+0.2
s
INT
Turn ON Delay (C = 100 pF) (12)
CS
to INT Low
tINTON
–
0.2
s
INT
Turn OFF Delay, CS/SCLK Rising Edge to INT High
tINTOFF
–
0.2
s
DBUS Start Delay, CS/SCLK Rising Edge to DBUS (11), (13), (15)
Spread Spectrum Mode Disabled
Spread Spectrum Mode Enabled
tDBUSSTART1
tDBUSSTART2
1/3 * tBIT
–
2/3 * tBIT
4/3 * tBIT
s
Data Valid (10), (12)
DSIF (CS) = 0.5 * VCC to DnD Fall = 5.5 V
DSIS (MOSI) = 0.5 * VCC to DnD Fall = 0.2 * VDnD
DSIS (MOSI) = 0.5 * VCC to DnD Rise = 0.8 * VDnD
DSIF (CS) = 0.5 * VCC to DnD Rise = 6.5 V
tDVLD1
tDVLD2
tDVLD3
tDVLD4
–
0.25
–
6.0
0.8
6.56
1.3
s
Signal Driver Overcurrent Shutdown Delay
tOC
2.0
–
20
s
Signal Low Time for Logic Zero
33.3% Duty Cycle (16)
t0LO
2/3 * tBIT-0.8 2/3 * tBIT-0.6 2/3 * tBIT-0.4
s
Signal Low Time for Logic One
66.7% Duty Cycle (16)
t1LO
1/3 * tBIT-0.8 1/3 * tBIT-0.6 1/3 * tBIT-0.4
s
Notes
10
C = 7.5 nF from DnH to DnL and 4.7 nF from DnH and DnL to GND, capacitor tolerance = ±10%.
11
In the case where the SPI write to DnL (initiating a DBUS transaction start or causing an interrupt) is the last byte in the burst sequence,
timing is from rising edge of CS. Otherwise, timing is from the first SCLK rising edge of the next SPI burst byte.
12
Delays are measured in test mode to determine the delay for analog signal paths.
13
Not measured in production.
14
V
DnD = VDnD(HIGH) - VDnD(LOW).
15
Internal digital delay only.
16
Guaranteed by design.
Table 4. Dynamic Electrical Characteristics (continued)
Characteristics noted under conditions 4.75 V
≤ V
CC ≤ 5.25 V, 9.0 V ≤ VSUP ≤ 25 V, - 40°C ≤ T
A ≤ 85°C unless otherwise
noted. Voltages relative to GND unless otherwise noted. Typical values noted reflect the approximate parameter means at
TA = 25°C under nominal conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
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