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參數(shù)資料
| 型號： | CXA1940N |
| 廠商： | Sony Corporation |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
| 中文描述： | 電可擦除可編程邏輯器件 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 225K |
| 代理商： | CXA1940N |
—7—
CXA1940N
Unless otherwise specified, V
CC
=5V, Ta=25°C, f
WD
(Write data frequency)=5MHz, I
W
=20mA, L
H
(Head
inductance)=1μH, R
H
(Head DC resistance value)=30
Refer to Fig. 2 to Fig. 4
4.4
5.2
Vp-p
280 1000
kHz
0.6
μs
0.6
μs
3
7
11
μs
1.0
μs
1.0
μs
0.6
μs
30
ns
5
10
ns
V
SW
F
WUS
T
RW
T
WR
T
SA1
T
SA2
T
PR
T
H
T
PD
T
R/
T
F
Head differential
voltage amplitude
Write unsafe
detection max.
frequency
Mode switching time
Read to Write
Mode switching time
Write to Read
Mode switching time
safe to unsafe
Mode switching time
unsafe to safe
Mode switching time
Power save to Read
Head switching time
Write current
propagation delay
time
Write current rise/fall
time
14
15
16-1
16-2
17-1
17-2
18
19
20
21
Differential voltage between HX pin and HY pin
at switching of Write current
F
WUS
is the max. Write data frequency when Pin
11 turns “High” in Write mode.
T
RW
is the time required for Write current to turn
to 90% after Pin 19 changes from “High” to
“Low”.
T
WR
is the time required for either Write current
to decrease to 10% or for the Read amplifier
output
to turn to 90% after Pin 19 changes from
“Low” to “High”.
T
SA1
is the time required for Pin 11 to turn “High”
after the last transition of Write data when Write
data is stopped in Write mode.
T
SA2
is the time required for Pin 11 to turn “Low”
after the first transition of Write in Write mode.
T
PR
is the time required for Read amplifier
output to turn to 90% after Pin 20 changes from
“High” to “Low”.
T
H
is the time required for the Read amplifier
output
to reach 90% when the selected head
switched in Read mode.
T
PD
is the time required for Write current to
reach 90% after the Write data falling edge.
L
H
=0μH, R
H
=0
T
R
is the time required for Write current to reach
90% from 10%; T
F
is the same time required to
reach 10% from 90%. L
H
=0μH, R
H
=0
No.
Item
Measurement conditions
Min. Typ. Max.
Unit
Sym-
bol
Read amplifier output 100mVp-p 10MHz
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