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参数资料
| 型号： | 74ALS648N |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 通用总线功能 |
| 英文描述： | Transceiver/register |
| 中文描述： | ALS SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDIP24 |
| 封装： | 0.300 INCH, PLASTIC, DIP-24 |
| 文件页数： | 7/13页 |
| 文件大小： | 155K |
| 代理商： | 74ALS648N |
Philips Semiconductors
Product specification
74ALS646/74ALS646-1
74ALS648/74ALS648-1
Transceiver/register
1991 Feb 08
7
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS
1
LIMITS
UNIT
MIN
TYP
2
MAX
V
±
10%, V
= MAX,
CC
V
IH
= MIN
I
OH
= –0.4mA
I
OH
= –3mA
V
CC
– 2
2.4
V
V
OH
High-level output voltage
High level out ut voltage
IL
3.2
V
V
CC
= MIN, V
IL
= MAX,
V
IH
= MIN
I
OH
= –15mA
2.0
V
All versions
V
= MIN, V
= MAX,
CC
V
IH
= MIN
I
OL
= 12mA
I
OL
= 24mA
0.25
0.40
V
V
OL
Low-level output voltage
Low level out ut voltage
IL
0.35
0.50
V
-1 versions
V
CC
= 4.75V, V
IL
= MAX,
V
IH
= MIN
V
CC
= MIN, I
I
= I
IK
V
CC
= MAX, V
I
= 7.0V
V
CC
= MAX, V
I
= 5.5V
V
CC
= MAX, V
I
= 2.7V
V
CC
= MAX, V
I
= 0.4V
V
CC
= MAX, V
O
= 2.25V
I
OL
= 48mA
0.35
0.50
V
V
IK
Input clamp voltage
–0.73
–1.5
V
I
I
Input current at maxi-
mum input voltage
control inputs
0.1
mA
A or B ports
0.1
mA
I
IH
I
IL
I
O
High-level input current
3
Low-level input current
3
Output current
4
20
μ
A
–0.1
mA
–30
–112
mA
I
CCH
I
CCL
I
CCZ
40
57
mA
I
CC
Supply current (total)
V
CC
= MAX
53
78
mA
51
72
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at V
= 5V, T
amb
= 25
°
C.
3. For I/O ports, the parameter I
and I
include the off-state current.
4. The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
OS
.
AC ELECTRICAL CHARACTERISTICS FOR 74ALS646/74ALS646-1
LIMITS
SYMBOL
PARAMETER
TEST CONDITION
T
amb
= 0
°
C to +70
°
C
V
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
UNIT
MIN
MAX
f
max
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PHZ
t
PLZ
Maximum clock frequency
Waveform 1
100
MHz
Propagation delay
CPBA to An, CPAB to Bn
Waveform 1
5.0
6.0
13.0
13.0
ns
Propagation delay
An to Bn or Bn to An
Waveform 2, 3
2.0
3.0
8.0
9.0
ns
Propagation delay
SBA to An or SAB to Bn (A or B Low)
Waveform 2, 3
5.0
5.0
13.0
11.0
ns
Propagation delay
SBA to An or SAB to Bn (A or B High)
Waveform 2, 3
5.0
5.0
11.0
11.0
ns
Output enable time
OE to An or Bn
Waveform 5
Waveform 6
3.0
5.0
9.0
11.0
ns
Output disable time
OE to An or Bn
Waveform 5
Waveform 6
2.0
3.0
8.0
10.0
ns
Output enable time
DIR to An or Bn
Waveform 5
Waveform 6
2.0
5.0
10.0
12.0
ns
Output disable time
DIR to An or Bn
Waveform 5
Waveform 6
2.0
3.0
10.0
13.0
ns
相关PDF资料 |
PDF描述 |
|---|---|
| 74ALS651-1 | Octal transceiver/register, inverting (3-State)(八通道收发器/寄存器，反向（三态）) |
| 74ALS651 | Transceiver/register |
| 74ALS651D | Transceiver/register |
| 74ALS651N | Transceiver/register |
| 74ALS652 | Transceiver/register |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 74ALS651 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Transceiver/register |
| 74ALS651-1 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Transceiver/register |
| 74ALS651-1D | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Transceiver/register |
| 74ALS651-1N | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Transceiver/register |
| 74ALS651D | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Transceiver/register |
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