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Número de pieza | N74F648N | |
Descripción | Octal transceiver/register / non-inverting 3-State | |
Fabricantes | Philips | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de N74F648N (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
No Preview Available ! INTEGRATED CIRCUITS
74F646, 74F646A
Octal transceiver/register, non-inverting
(3-State)
74F648, 74F648A
Octal transceiver/register, inverting
(3-State)
Product specification
IC15 Data Handbook
1990 Sep 25
Philips
Semiconductors
1 page Philips Semiconductors
Transceivers/registers
Product specification
74F646/A/74F648/A
FUNCTION TABLE
INPUTS
OE DIR CPAB CPBA SAB SBA
DATA I/O
An Bn
OPERATING MODE
74F646/74F646A
74F648/74F648A
X X ↑ XXX
Input
Unspecified* Store A, B unspecified*
Store A, B unspecified*
X
X
X
↑
X
X Unspecified*
Input
Store B, A unspecified*
Store B, A unspecified*
H X ↑ ↑ XX
Input
Input
Store A and B data
Store A and B data
H
X H or L H or L X
X
Input
Input
Isolation, hold storage
Isolation, hold storage
L L X X X L Output
Input
Real time B data to A bus Real time B data to A bus
L
L
X H or L X
H
Output
Input
Stored B data to A bus
Stored B data to A bus
L H X XLX
Input
Output
Real time A data to B bus Real time A data to B bus
L H H or L X H X
Input
Output
Stored A data to B bus
Stored A data to B bus
NOTES:
1. H = High–voltage level
2. L = Low–voltage level
3. X = Don’t care
4. ↑ = Low–to–high clock transition
5. * = The data output function 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 pins will be stored on every low–to–high transition of the clock.
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the
operating free air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
VCC
VIN
IIN
VOUT
Supply voltage
Input voltage
Input current
Voltage applied to output in high output state
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
–0.5 to VCC
V
V
mA
V
IOUT
Current applied to output in low output state
74F646A, 74F648A
72 mA
74F646, 74F648
128 mA
Tamb
Tstg
Operating free air temperature range
Storage temperature range
0 to +70
–65 to +150
°C
°C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
VCC Supply voltage
VIH High–level input voltage
VIL Low–level input voltage
IIk Input clamp current
IOH High–level output current
IOL Low–level output current
Tamb
Operating free air temperature range
MIN
4.5
2.0
74F646A, 74F648A
74F646, 74F648
0
LIMITS
NOM
5.0
MAX
5.5
0.8
–18
–15
48
64
+70
UNIT
V
V
V
mA
mA
mA
mA
°C
1990 Sep 25
5
5 Page Philips Semiconductors
Transceivers/registers
Product specification
74F646/A/74F648/A
AC ELECTRICAL CHARACTERISTICS FOR 74F648A
SYMBOL
PARAMETER
fmax
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPZH
tPZL
tPHZ
tPLZ
tPHZ
tPLZ
Maximum clock frequency
Propagation delay
CPAB or CPBA to An or Bn
Propagation delay
An to Bn or Bn to An
Propagation delay
SAB or SBA to An or Bn
Output enable time
OE to An or Bn
Output enable time
DIR to An or Bn
Output disable time
OE to An or Bn
Output disable time
DIR to An or Bn
TEST CONDITION
Waveform 1
Waveform 1
Waveform 3
Waveform 2, 3
Waveform 5
Waveform 6
Waveform 5
Waveform 6
Waveform 5
Waveform 6
Waveform 5
Waveform 6
LIMITS
Tamb = +25°C
VCC = +5.0V
CL = 50pF, RL = 500Ω
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500Ω
MIN TYP MAX
MIN
MAX
160 185
135
5.0 7.0 9.5
5.5 7.5 10.0
4.5
4.5
10.5
10.5
2.5 4.5 7.5
4.0 6.0 8.5
2.0
4.0
8.5
9.5
4.0 7.0 9.5
4.5 7.0 9.5
3.5
4.5
11.5
10.0
3.5 6.5 10.0
4.5 6.5 10.0
3.5
4.0
11.0
11.5
3.5 5.5 8.5
4.0 6.5 9.5
3.0
4.0
9.0
10.0
2.5 4.0 6.5
4.0 6.5 9.0
2.0
3.5
8.0
10.0
2.5 5.0 8.5
2.5 5.0 8.0
2.0
3.5
9.0
9.0
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
AC SETUP REQUIREMENTS FOR 74F648A
SYMBOL
PARAMETER
tsu (H)
tsu (L)
th (H)
th (L)
tw (H)
tw (L)
Setup time, high or low
An or Bn to CPAB or CPBA
Hold time, high or low
An or Bn to CPAB or CPBA
Pulse width, high or low
CPAB or CPBA
AC WAVEFORMS
TEST CONDITION
Waveform 4
Waveform 4
Waveform 1
LIMITS
Tamb = +25°C
VCC = +5.0V
CL = 50pF, RL = 500Ω
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500Ω
MIN TYP MAX
MIN
MAX
4.0 4.5
4.0 4.5
00
00
3.5 4.0
3.5 3.5
UNIT
ns
ns
ns
CPBA
or
CPAB
VM
1/fmax
tw(H)
VM
tPHL
tw(L)
VM
tPLH
An or Bn
VM
VM
SF00394
Waveform 1. Propagation delay for clock input to output clock
pulse width, and maximum clock frequency
An or Bn
VM
tPHL
VM SBA or SAB
tPLH
Bn or An
VM VM
An or Bn
SF00395
Waveform 2. Propagation delay for An to Bn or Bn to An and
SAB or SBA to An or Bn
1990 Sep 25
11
11 Page |
Páginas | Total 16 Páginas | |
PDF Descargar | [ Datasheet N74F648N.PDF ] |
Número de pieza | Descripción | Fabricantes |
N74F648AD | Octal transceiver/register / non-inverting 3-State | Philips |
N74F648AN | Octal transceiver/register / non-inverting 3-State | Philips |
N74F648D | Octal transceiver/register / non-inverting 3-State | Philips |
N74F648N | Octal transceiver/register / non-inverting 3-State | Philips |
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