74ALS645A-1D 查看數據表（PDF） - Philips Electronics
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74ALS645A-1D Datasheet PDF : 8 Pages
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Philips Semiconductors
Octal transceiver (3-State)
Product specification
74ALS645A/74ALS645A-1
LOGIC DIAGRAM
A0
A1
A2
A3
A4
A5
A6
A7
2
3
4
5
6
7
8
9
OE 19
1
T/R
VCC = Pin 20
GND = Pin 10
18
B0
17
B1
16
B2
15
B3
14
B4
13
B5
12
B6
11
B7
SF00201
FUNCTION TABLE
INPUTS
OE
T/R
OUTPUTS
L
L
Bus B data to Bus A
L
H
Bus A data to Bus B
H
X
Z
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance “off” state
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
VCC
VIN
IIN
VOUT
IOUT
Supply voltage
Input voltage
Input current
Voltage applied to output in High output state
Current applied to output in Low output state
All versions
-1 version
Tamb
Tstg
Operating free-air temperature range
Storage temperature range
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
NOTES:
1. The 48mA limit applies only under the condition of VCC = 5.0V ± 5%.
All versions
-1 version
RATING
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
–0.5 to VCC
48
96
0 to +70
–65 to +150
UNIT
V
V
mA
V
mA
mA
°C
°C
LIMITS
MIN NOM MAX
4.5
5.0
5.5
2.0
0.8
–18
–15
24
48 1
0
+70
UNIT
V
V
V
mA
mA
mA
mA
°C
1991 Jun 03
3
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