74HCT299DB,118 NXP Semiconductors, 74HCT299DB,118 Datasheet - Page 16

• Manufacturer Part Number: 74HCT299DB,118
• Description: IC UNIV SHIFT REGISTER 20SSOP
• Manufacturer: NXP Semiconductors
• Series: 74HCTr

Specifications of 74HCT299DB,118

• Logic Type: Universal Shift Register, CMOS
• Number Of Circuits: 8-Bit
• 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: 74HCT299DB-T; 74HCT299DB-T; 935189880118

NXP Semiconductors
Table 8.
74HC_HCT299_3
Product data sheet
Type
74HC299
74HCT299
Fig 10. 3-state enable and disable times for OEn inputs
Fig 11. Test circuit for measuring switching times
Measurement points are given in
V
Test data is given in
Definitions for test circuit:
DUT = Device Under Test.
R
C
R
S1 = Test selection switch
OL
T
L
L
Measurement points
= Termination resistance should be equal to output impedance Z
= Load capacitance including jig and probe capacitance.
= Load resistance.
and V
OH
are typical voltage output levels that occur with the output load.
Table
HIGH to OFF
OFF to HIGH
LOW to OFF
OFF to LOW
GENERATOR
I/On output
I/On output
OEn input
Input
V
V
3 V
I
CC
PULSE
9.
GND
V
V
V
V
Table
OH
OH
OL
OL
V
I
10 %
8.
V I
t
r
V
enabled
90 %
outputs
M
Rev. 03 — 28 July 2008
t
PLZ
t
PHZ
R T
DUT
DUT
V
10 %
CC
90 %
V
0.5V
1.3 V
M
CC
V O
disabled
outputs
o
of the pulse generator.
t
f
74HC299; 74HCT299
R L = 1 k
C L
50 pF
t
PZL
t
PZH
8-bit universal shift register; 3-state
V
M
V
S1
M
001aai465
001aai466
enabled
outputs
V
CC
open
Output
V
0.5V
1.3 V
M
CC
© NXP B.V. 2008. All rights reserved.
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