74AC245TTR STMicroelectronics, 74AC245TTR Datasheet - Page 4

• Manufacturer Part Number: 74AC245TTR
• Description: IC TRANSCVR TRI-ST 8BIT 20TSSOP
• Manufacturer: STMicroelectronics
• Series: 74ACr

Specifications of 74AC245TTR

• Logic Type: Transceiver, Non-Inverting
• Number Of Elements: 1
• Number Of Bits Per Element: 8
• Current - Output High, Low: 24mA, 24mA
• Voltage - Supply: 2 V ~ 6 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2914-2

74AC245
AC ELECTRICAL CHARACTERISTICS (C
(*) Voltage range is 3.3V
(**) Voltage range is 5.0V
CAPACITIVE CHARACTERISTICS
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
circuit)
TEST CIRCUIT
C
R
R
4/9
t
t
t
t
t
t
PLH
PZL
PZH
Symbol
Symbol
L
L
T
PLH
PZL
PLZ
= 50pF or equivalent (includes jig and probe capacitance)
= R
= Z
C
C
PD
C
, t
, t
, t
I/O
PD
IN
t
t
OUT
t
1
PZH
PHZ
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
PHL
PLZ
PHL
PHZ
= 500 or equivalent
of pulse generator (typically 50 )
Propagation Delay
Time
Output Enable
Time
Output Disable
Time
Input Capacitance
I/O Capacitance
Power Dissipation
Capacitance (note
1)
Parameter
Parameter
0.3V
0.5V
5.0
5.0
5.0
3.3
3.3
3.3
V
V
(V)
(V)
5.0
5.0
5.0
CC
CC
(**)
(**)
(**)
(*)
(*)
(*)
Test Condition
Test Condition
TEST
f
IN
= 10MHz
L
= 50 pF, R
Min.
Min.
1.5
1.5
1.5
1.5
1.5
1.5
L
= 500
T
T
A
A
Typ.
Typ.
= 25°C
= 25°C
5.5
4.5
7.5
5.5
6.2
5.2
10
21
5
, Input t
Max.
Max.
12.0
12.0
8.5
6.5
9.0
9.0
Value
Value
r
Min.
Min.
-40 to 85°C
-40 to 85°C
1.5
1.5
1.5
1.5
1.5
1.5
CC(opr)
= t
f
= 3ns)
= C
Max.
Max.
13.5
13.0
10.0
9.0
7.0
9.5
PD
x V
SWITCH
-55 to 125°C
-55 to 125°C
Min.
Min.
Open
Open
2V
CC
1.5
1.5
1.5
1.5
1.5
1.5
CC
x f
IN
Max.
Max.
11.5
14.0
10.5
14.0
10.5
+ I
8.5
CC
/16 (per
Unit
Unit
pF
pF
pF
ns
ns
ns