參數(shù)資料
型號(hào): IDT72V90823PQFG
廠(chǎng)商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 6/21頁(yè)
文件大?。?/td> 0K
描述: IC DGTL SW 2048X2048 100-PQFP
標(biāo)準(zhǔn)包裝: 33
系列: 72V
類(lèi)型: 多路復(fù)用器
電路: 1 x 16:16
獨(dú)立電路: 1
電壓電源: 單電源
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 100-BQFP
供應(yīng)商設(shè)備封裝: 100-PQFP(14x20)
包裝: 帶卷 (TR)
其它名稱(chēng): 72V90823PQFG
Technical Note
BU4015B,BU4015BF,BU4021B,BU4021BF,
BU4094BC,BU4094BCF,BU4094BCFV,BU4538B,BU4028B
14/17
www.rohm.com
2009.06 - Rev.A
2009 ROHM Co., Ltd. All rights reserved.
1
2
4
5
6
7
14
13
12
9
T1A
CDB
BB
QB
AB
11
3
10
T2B
T2A
CDA
AA
BA
QA
8
VSS
15
T1B
16
VDD
CD
T1
T2
QQ
BA
CD
T1
T2
QQ
BA
CHA
CHB
Block diagram
Truth table
○ Switching characteristics
●Description of BU4538B series model
Function: Dual high accuracy monostable multivibrator
1) Description of operation
BU4538B is a re-triggerable monostable multi vibrator. Triggering is possible from either edge of the rise time and fall time
of input pulse.
Output pulse setting is determined by the time constant (Rx Cx) of external Rx and Cx.
Recommended output pulse amplitude is 200[
μs]~1[s].
(Cautions on use: In case of system power down, etc., electric charge accumulated in the capacity Cx is discharged to the
VDD terminal through protective diode of 2 pins of 14 pins. When the electric current due to accumulated electric charge
exceeds 10[mA], IC may be destructed. When a large capacity Cx is used, electric current flowing into the IC can be
restricted by inserting the diode Dx.)
PIN arrangement
Block diagram
Truth table
PIN description
PIN No. Symbol I/O
Function
1
T1A
Passive component
connection pin 1(CHA)
2
T2A
Passive component
connection pin 2(CHA)
3
CDA
I
Reset input (CHA)
4
AA
I
Input A(CHA)
5
BA
I
Input B(CHA)
6
QA
O
Output Q(CHA)
7
QAB
O
Output QB(CHA)
8
VSS
Power supply(-)
9
QBB
O
Output QB(CHB)
10
QB
O
Output Q(CHB)
11
BB
I
Input B(CHB)
12
AB
I
Input A(CHB)
13
CCB
I
Reset input (CHB)
14
T2B
Passive component
connection pin 1(CHB)
15
T1B
Passive component
connection pin 2(CHB)
16
VDD
Power supply (+)
Vref1
R
S
Q
S
Q
R
Vref2
Enable
Control
CD
B
A
RX
DX
CX
VDD
Q
Reset Latch
Output
Latch
A
BCD
OUTPUT
Q
L
HH
H
X:Don't Care
H
HH
H
HL
H
INPUT
L
Q
H
L
X
8 STAGE
SHIFT REGISTER
CLOCK
SERIAL IN
OUTPUT
ENABLE
8 BIT
LACTH
3 STATE
OUTPUTS
STROBE
Q1
Q8
PARALLEL OUTPUTS
SERIAL
OUTPUT
QS
Q'S
CLOCK
OUTPUT
ENABLE
STROBE
Parallel Output
Qn-1
Q1
Qn
Serial Output
Qs
Q's
Q7
NC
H
Qn-1
Z
Qs
SERIAL
IN
L
X
NC
Q7
Z
H
L
X
Qs
tWH
50%
tPHZ
50%
90%
10%
90%
10%
50%
10%
90%
50%
tWL
50%
tPLH
tTLH
tTHL
tPZH
50%
tPLZ
tPZL
tPHL
tpLH
tsu
th
90%
10%
tr
tf
50%
tPHL
tPLH
tpHL
CLOCK
DATA
STROBE
OUTPUT
ENABLE
Q1
~Q7
QS
QS'
Q’S
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