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74ALVCH16646 데이터시트 PDF




NXP Semiconductors에서 제조한 전자 부품 74ALVCH16646은 전자 산업 및 응용 분야에서
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부품번호 74ALVCH16646 기능
기능 16-bit bus transceiver/register 3-State
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74ALVCH16646 데이터시트, 핀배열, 회로
INTEGRATED CIRCUITS
74ALVCH16646
16-bit bus transceiver/register (3-State)
Product specification
IC24 Data Handbook
1998 Sep 03
Philips
Semiconductors




74ALVCH16646 pdf, 반도체, 판매, 대치품
Philips Semiconductors
16-bit bus transceiver/register (3-State)
Product specification
74ALVCH16646
LOGIC DIAGRAM (one section)
OE
DIR
SBA
CPBA
SAB
CPAB
VCC
An
S
Y D1
MUX
D2
QD
FFn
CP
8 IDENTICAL CHANNELS
DQ
FFn
CP
S
D1 Y
MUX
D2
VCC
Bn
SY00012
FUNCTION TABLE
nOE
X
X
nDIR
X
X
INPUTS
nCPAB
X
nCPBA
X
nSAB
X
X
nSBA
X
X
DATA I/O *
nAx nBx
input
un*
un*
input
FUNCTION
store A, B unspecified*
store B, A unspecified*
HX↑ ↑ X
H X H or L H or L X
X
X
input
input
store A and B data, isolation
hold storage
LLX
LLX
X
H or L
X
X
L
H
output
input
real-time B data to A bus
stored B data to A bus
L HX
X
L H H or L X
L
H
X
X
input
output
real-time A data to B bus
stored A data to B bus
* The data output functions may be enabled or disabled by various signals at the OE and DIR inputs. Data input functions are always enabled,
i.e., data at the bus inputs will be stored on every LOW-to-HIGH transition on the clock inputs.
un = unspecified
H = HIGH voltage level
L = LOW voltage level
X = don’t care
= LOW-to-HIGH level transition
1998 Sep 03
4

4페이지










74ALVCH16646 전자부품, 판매, 대치품
Philips Semiconductors
16-bit bus transceiver/register (3-State)
Product specification
74ALVCH16646
AC CHARACTERISTICS FOR VCC = 2.3V TO 2.7V RANGE
GND = 0V; tr = tf 2.0ns; CL = 30pF
SYMBOL
PARAMETER
WAVEFORM
Propagation delay
nAx to nBx, nBx to nAx
tPLH/tPHL
tPZH/tPZL
Propagation delay
nCPAB to nBx, nCPBA to nAx
Propagation delay
nSAB to nBx, nSBA to nAx
3-State output enable time
nOE to nAx, nBx
tPHZ/tPLZ
3-State output disable time
nOE to nAx, nBx
tPZH/tPZL
3-State output enable time
nDIR to nAx, nBx
tPHZ/tPLZ
3-State output disable time
nDIR to nAx, nBx
tW
Pulse width HIGH or LOW
nCPAB, nCPBA
tSU
Set up time nAx to nCPAB,
nBx to nCPBA
th
Hold time nAx to nCPAB,
nBx to nCPBA
Fmax
Maximum clock pulse frequency
NOTE:
1. All typical values are at VCC = 2.5V and Tamb = 25°C.
1
3
2
4
4
5
5
3
3
3
3
LIMITS
VCC = 2.5V ± 0.2V
MIN TYP MAX
1.0 2.7 4.8
1.0 3.4 5.6
1.0 3.4 6.8
1.0 3.3 6.5
1.6 2.8 5.7
1.0 3.4 7.8
1.5 3.0 6.5
3.3 1.2
1.6 0.2
0.6 0.1
150 300
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
MHz
AC CHARACTERISTICS FOR VCC = 3.0V TO 3.6V RANGE AND VCC = 2.7V
GND = 0V; tr = tf = 2.5ns; CL = 50pF
LIMITS
SYMBOL
PARAMETER
WAVEFORM
VCC = 3.3V ± 0.3V
MIN TYP1, 2 MAX
VCC = 2.7V
MIN TYP1 MAX
tPHL/tPLH
Propagation delay
nAx to nBx, nBx to nAx
1 1.0 2.6 3.9 1.0 2.8 4.5
tPHL/tPLH
tPHL/tPLH
Propagation delay
nCPAB to nBx, nCPBA to nAx
Propagation delay
nSAB to nBx, nSBA to nAx
3 1.4 2.9 4.5 1.4 3.1 5.2
2 1.3 3.1 5.3 1.3 3.5 6.4
tPZH/tPZL
3-State output enable time
nOE to nAx, nBx
4 1.0 2.3 5.1 1.0 3.2 6.2
tPHZ/tPLZ
3-State output disable time
nOE to nAx, nBx
4 1.0 2.9 4.7 1.0 3.1 5.0
tPZH/tPZL
3-State output enable time
nDIR to nAx, nBx
5 1.4 3.0 5.1 1.4 3.4 6.2
tPHZ/tPLZ
3-State output disable time
nDIR to nAx, nBx
5 1.4 2.5 5.3 1.4 3.3 6.0
tW
Pulse width HIGH or LOW
nCPAB, nCPBA
tSU
Set up time nAx to nCPAB,
nBx to nCPBA
th
Hold time nAx to nCPAB,
nBx to nCPBA
Fmax
Maximum clock pulse frequency
NOTES:
1. All typical values are at Tamb = 25°C.
2. VCC = 3.3V
3 3.3 0.7
3 1.4 0.3
3 0.7 0.2
3 150 320
3.3 1.0
1.7 0.2
0.4 0.1
150 320
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
1998 Sep 03
7

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