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Data sheet acquired from Harris Semiconductor
SCHS187A
Features
• Common Latch-Enable Control
• Common Three-State Output Enable Control
• Buffered Inputs
• Three-State Outputs
• Bus Line Driving Capacity
• Typical Propagation Delay = 13ns at VCC = 5V,
CL = 15pF, TA = 25oC (Data to Output)
• Fanout (Over Temperature Range)
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating T emperature Range . . . -55oC to 125oC
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL
Logic ICs
• HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC
at VCC = 5V
• HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il≤1µA at VOL, VOH
Description
The ’HC533, ’HCT533, ’HC563, and CD74HCT563 are high
speed Octal Transparent Latches manufactured with silicon
gate CMOS technology. They possess the low power con-
sumption of standard CMOS integrated circuits, as well as the
ability to drive 15 LSTTL devices.
The outputs are transparent to the inputs when the latch
enable (LE) is high. When the latch enable (LE) goes low the
data is latched. The output enable (OE) controls the three-
state outputs. When the output enable (OE) is high the
outputs are in the high impedance state. The latch operation
is independent of the state of the output enable .
The ’HC533 and ’HCT533 are identical in function to the
’HC563 and CD74HCT563 but have different pinouts. The
’HC533 and ’HCT533 are similar to the ’HC373 and ’HCT373;
the latter are non-inverting types.
Ordering Information
PART NUMBER TEMP. RANGE
(oC) PACKAGE
CD54HC533F3A -55 to 125 20 Ld CERDIP
CD74HC533E -55 to 125 20 Ld PDIP
CD54HCT533F3A -55 to 125 20 Ld CERDIP
CD74HCT533E -55 to 125 20 Ld PDIP
CD54HC563F3A -55 to 125 20 Ld CERDIP
CD74HC563E -55 to 125 20 Ld PDIP
CD74HCT563E -55 to 125 20 Ld PDIP
CD74HCT563M -55 to 125 20 Ld SOIC
NOTES:
1. When ordering, use the entire part number. Add the suffix 96 to
obtain the variant in the tape and reel.
2. Wafer and die for this part number are available which meets all
electrical specifications. Please contact your local TI sales office
or customer service for ordering information.
January 1998 - Revised May 2000
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright © 2000, Texas Instruments Incorporated
CD54/74HC533, CD54/74HCT533,
CD54/74HC563, CD74HCT563
High Speed CMOS Logic Octal Inverting
Transparent Latch, Three-State Outputs
[ /Title
(CD74H
C533,
CD74H
CT533,
CD74H
C563,
CD74H
CT563)
/Subject
(High
Speed