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CD54HC377 Datasheet, PDF (1/13 Pages) Texas Instruments – High-Speed CMOS Logic Octal D-Type Flip-Flop With Data Enable
Data sheet acquired from Harris Semiconductor
SCHS184C
September 1997 - Revised February 2004
CD54HC377, CD74HC377,
CD54HCT377, CD74HCT377
High-Speed CMOS Logic
Octal D-Type Flip-Flop With Data Enable
[ /Title
(CD74
HC377
,
CD74
HCT37
7)
/Sub-
ject
(High
Speed
CMOS
Logic
Octal
D-
Type
Flip-
Features
Description
• Buffered Common Clock
• Buffered Inputs
•
Typical Propagation
VCC = 5V, TA = 25oC
Delay
at
CL
=
15pF,
- 14 ns (HC Types
- 16 ns (HCT Types)
• Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature 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
The ’HC377 and ’HCT377 are octal D-type flip-flops with a
buffered clock (CP) common to all eight flip-flops. All the flip-
flops are loaded simultaneously on the positive edge of the
clock (CP) when the Data Enable (E) is Low.
Ordering Information
PART NUMBER
TEMP. RANGE
(oC)
PACKAGE
CD54HC377F3A
-55 to 125
20 Ld CERDIP
CD54HCT377F3A
-55 to 125
20 Ld CERDIP
CD74HC377E
-55 to 125
20 Ld PDIP
CD74HC377M
-55 to 125
20 Ld SOIC
CD74HC377M96
-55 to 125
20 Ld SOIC
CD74HC377PW
-55 to 125
20 Ld TSSOP
CD74HC377PWR
-55 to 125
20 Ld TSSOP
CD74HCT377E
-55 to 125
20 Ld PDIP
CD74HCT377M
-55 to 125
20 Ld SOIC
CD74HCT377M96
-55 to 125
20 Ld SOIC
NOTE: When ordering, use the entire part number. The suffixes
96 and R denote tape and reel.
Pinout
CD54HC377, CD54HCT377
(CERDIP)
CD74HC377
(PDIP, SOIC, TSSOP)
CD74HCT377
(PDIP, SOIC)
TOP VIEW
E1
Q0 2
D0 3
D1 4
Q1 5
Q2 6
D2 7
D3 8
Q3 9
GND 10
20 VCC
19 Q7
18 D7
17 D6
16 Q6
15 Q5
14 D5
13 D4
12 Q4
11 CP
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright © 2004, Texas Instruments Incorporated
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