74HCT640N NXP Semiconductors, 74HCT640N Datasheet - Page 6

• Manufacturer Part Number: 74HCT640N
• Description: IC, 74HCT CMOS, 74HCT640, DIP20, 5V
• Manufacturer: NXP Semiconductors

Specifications of 74HCT640N

• Supply Voltage Range: 4.5V To 5.5V
• Logic Case Style: DIP
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (18-Jun-2010)
• Package / Case: DIP
• Base Number: 74
• Ic Generic: RoHS Compliant

Philips Semiconductors
AC WAVEFORMS
March 1988
Octal bus transceiver; 3-state; inverting
(1)
Fig.5
HCT: V
HC : V
Waveforms showing the input (A
output (B
output transition times.
M
M
= 1.3 V; V
= 50%; V
n
, A
I
I
= GND to 3 V.
= GND to V
n
) propagation delays and the
CC
.
n
, B
n
) to
6
PACKAGE OUTLINES
See
(1)
Fig.6
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
HCT: V
HC : V
Waveforms showing the 3-state enable and
disable times.
M
M
= 1.3 V; V
= 50%; V
I
I
= GND to 3 V.
= GND to V
CC
74HC/HCT640
.
Product specification
.