74HCT640N,652 NXP Semiconductors, 74HCT640N,652 Datasheet - Page 5

• Manufacturer Part Number: 74HCT640N,652
• Description: IC TRANSCEIVER 3ST 8BIT 20DIP
• Manufacturer: NXP Semiconductors
• Series: 74HCTr

Specifications of 74HCT640N,652

• Logic Type: Transceiver, Inverting
• Package / Case: 20-DIP (0.300", 7.62mm)
• Number Of Elements: 1
• Number Of Bits Per Element: 8
• Current - Output High, Low: 6mA, 6mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Logic Family: 74HCT
• Number Of Channels Per Chip: 8
• Input Level: TTL
• Output Level: CMOS
• Output Type: 3-State
• High Level Output Current: - 6 mA
• Low Level Output Current: 6 mA
• Propagation Delay Time: 9 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 125 C
• Function: Bus Transceiver
• Input Bias Current (max): 8 uA
• Maximum Power Dissipation: 750 mW
• Minimum Operating Temperature: - 40 C
• Mounting Style: Through Hole
• Polarity: Inverting
• Number Of Circuits: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-1562-5; 74HCT640N; 933670960652

Philips Semiconductors
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
Output capability: bus driver
I
Note to HCT types
The value of additional quiescent supply current ( I
To determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
March 1988
CC
INPUT
A
B
OE
DIR
t
t
t
t
SYMBOL
PHL
PZH
PHZ
THL
n
n
Octal bus transceiver; 3-state; inverting
category: MSI
/ t
/ t
/ t
/ t
TLH
PLH
PZL
PLZ
propagation delay
3-state output enable time
3-state output disable time
output transition time
r
A
B
OE, DIR to A
OE, DIR to B
OE, DIR to A
OE, DIR to B
= t
UNIT LOAD COEFFICIENT
1.50
1.50
1.50
0.90
n
n
CC
f
to B
to A
= 6 ns; C
per input, multiply this value by the unit load coefficient shown in the table below.
PARAMETER
n
n
;
L
n
n
n
n
;
;
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min. typ. max. min. max. min. max.
11
18
19
5
+25
CC
) for a unit load of 1 is given in the family specifications.
22
30
30
12
5
T
74HCT
amb
40 to +85
( C)
28
38
38
15
40 to +125
33
45
45
18
.
ns
ns
ns
ns
UNIT
74HC/HCT640
4.5
4.5
4.5
4.5
TEST CONDITIONS
V
(V)
Product specification
CC
Fig.5
Fig.6
Fig.6
Fig.5
WAVEFORMS