74HCT640DB,118 NXP Semiconductors, 74HCT640DB,118 Datasheet - Page 5

• Manufacturer Part Number: 74HCT640DB,118
• Description: IC TRANSCEIVER 3ST 8BIT 20SSOP
• Manufacturer: NXP Semiconductors
• Series: 74HCTr

Specifications of 74HCT640DB,118

• Logic Type: Transceiver, Inverting
• 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: Surface Mount
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74HCT640DB-T; 74HCT640DB-T; 935190190118

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