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7ABT646APWDH PDF 데이터시트 ( Data , Function )

부품번호 7ABT646APWDH 기능
기능 Octal bus transceiver/register 3-State
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7ABT646APWDH 데이터시트, 핀배열, 회로
INTEGRATED CIRCUITS
74ABT646A
Octal bus transceiver/register (3-State)
Product specification
Supersedes data of 1995 Sep 06
IC23 Data Handbook
1998 Feb 17
Philips
Semiconductors




7ABT646APWDH pdf, 반도체, 판매, 대치품
Philips Semiconductors
Octal bus transceiver/register (3-State)
Product specification
74ABT646A
FUNCTION TABLE
INPUTS
DATA I/O
OE
DIR CPAB CPBA SAB SBA
An
Bn
OPERATING MODE
X
X
X
XX
Input
Unspecified
output*
Store A, B unspecified
X
X
X
X
X
Unspecified
output*
Input
Store B, A unspecified
H
H
X ↑ ↑ XX
X
H or L H or L
X
X
Input
Input
Store A and B data
Isolation, hold storage
L
L
L
L
X
X
X
H or L
X
X
L
H
Output
Input
Real time B data to A bus
Stored B data to A bus
L
L
HXX
H H or L X
LX
HX
Input
Output
Real time A data to B bus
Stored A data to B bus
H = High voltage level
L = Low voltage level
X = Don’t care
= Low-to-High clock transition
* The data output function may be enabled or disabled by various signals at the OE input. Data input functions are always enabled, i.e.,
data at the bus pins will be stored on every Low-to-High transition of the clock.
LOGIC DIAGRAM
21
OE
3
DIR
23
CPBA
22
SBA
1
CPAB
2
SAB
4
A0
1of 8 Channels
1D
C1
Q
1D
C1
Q
20
B0
5
A1
6
A2
7
A3
8
A4
9
A5
10
A6
11
A7
1998 Feb 17
DETAIL A X 7
4
19
B1
18
B2
17
B3
16
B4
15
B5
14
B6
13
B7
SA00086

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7ABT646APWDH 전자부품, 판매, 대치품
Philips Semiconductors
Octal bus transceiver/register (3-State)
Product specification
74ABT646A
AC CHARACTERISTICS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500
SYMBOL
PARAMETER
WAVEFORM
fMAX
Maximum clock frequency
tPLH Propagation delay
tPHL CPAB to Bn or CPBA to An
tPLH Propagation delay
tPHL An to Bn or Bn to An
tPLH Propagation delay
tPHL SAB to Bn or SBA to An
tPZH
tPZL
Output enable time
OE to An or Bn
tPHZ1
tPLZ
Output disable time
OE to An or Bn
tPZH
tPZL
Output enable time
DIR to An or Bn
tPHZ
tPLZ
Output disable time
DIR to An or Bn
1. This data sheet limit may vary among suppliers.
AC SETUP REQUIREMENTS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500
1
1
2
2
3
5
6
5
6
5
6
5
6
SYMBOL
PARAMETER
WAVEFORM
ts(H)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
Setup time
An to CPAB, Bn to CPBA
Hold time
An to CPAB, Bn to CPBA
Pulse width, High or Low
CPAB or CPBA
4
4
1
LIMITS
Tamb = +25oC
VCC = +5.0V
Min Typ Max
125 350
2.2 3.9
5.1
1.7 4.4 5.21
1.5 3.2
1.5 3.7
4.3
4.6
1.5 3.8
5.1
1.5 4.4 5.31
1.5 3.5
3.0 4.5
5.3
7.4
1.5 4.0 4.81
1.5 3.3
4.0
1.5 3.9
2.5 4.7
5.7
9.0
1.5 4.0
1.5 3.5
5.0
4.7
Tamb = -40 to
+85oC
VCC = +5.0V ±0.5V
Min Max
125
2.2 5.6
1.7 5.6
1.5 4.8
1.5 5.4
1.5 6.5
1.5 5.9
1.5 6.3
3.0 8.8
1.5 5.31
1.5 4.5
1.2 6.7
2.5 9.5
1.5 5.7
1.5 6.0
UNIT
MHz
ns
ns
ns
ns
ns
ns
ns
Tamb = +25oC
VCC = +5.0V
Min Typ
3.0 0.7
3.0 0.7
0.0 –0.5
0.0 –0.5
4.0 0.9
4.0 1.4
LIMITS
Tamb = -40 to +85oC
VCC = +5.0V ±0.5V
Min
3.0
3.0
0.0
0.0
4.0
4.0
UNIT
ns
ns
ns
1998 Feb 17
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7ABT646APWDH

Octal bus transceiver/register 3-State

NXP Semiconductors
NXP Semiconductors

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