Philips mb2377 DATASHEETS

Philips Semiconductors Products

Product specification

MB2377

Dual octal D-type flip-flop with enable

1

August 23, 1993 853-1666 10588

FEATURES

•Ideal for addressable register applications

•Two 8-bit positive edge-triggered registers

•Two Enable inputs for address and data

synchronization applications

•Power-up reset

•Output capability: +64mA/–32mA

•Latch-up protection exceeds 500mA per

Jedec JC40.2 Std 17

•ESD protection exceeds 2000 V per MIL

STD 883 Method 3015 and 200 V per
Machine Model

DESCRIPTION

The MB2377 high-performance BiCMOS
device combines low static and dynamic
power dissipation with high speed and high
output drive.

The MB2377 has two 8-bit, edge triggered
registers, with individual D inputs and Q
outputs. The common buffered clock (1CP or

2CP) input will load a set of eight flip-flops
simultaneously when the corresponding
Enable (1E

or 2E) input is Low.

The registers are fully edge triggered. The
state of each D input, one set-up time before
the Low-to-High clock transition, is
transferred to the corresponding flip-flop’s Q
output.

The nE

inputs must be stable one setup time
prior to the Low-to-High clock transition for
predictable operation.

QUICK REFERENCE DATA

SYMBOL PARAMETER

CONDITIONS

T

amb

= 25°C; GND = 0V

TYPICAL UNIT

t

PLH

t

PHL

Propagation delay
nCP to nQx

CL = 50pF; VCC = 5V 4.8 ns

C

IN

Input capacitance VI = 0V or V

CC

4 pF

ORDERING INFORMATION

PACKAGES TEMPERATURE RANGE ORDER CODE DRAWING NUMBER

52-pin plastic Quad Flat Pack (QFP) -40°C to +85°C MB2377BB 1418B

PIN CONFIGURATION LOGIC SYMBOL

4948

1Q0 1Q1 1Q2

5251

1Q3

44 43 41 40

1D0 1D1 1D2 1D3

45
47

32

1Q4 1Q5 1Q6651Q7

38 37 35 34

1D4 1D5 1D6 1D7

1CP
1E

98

2Q0 2Q1 2Q2

1211

2Q3

32 31 29 28

2D0 2D1 2D2 2D3

21
19

1514

2Q4 2Q5 2Q6

1817

2Q7

26 25 23 22

2D4 2D5 2D6 2D7

2CP
2E

1Q3

1Q2

GND

1Q1

1Q01EGND

1CP

1D0

1D1

GND

1D2

1D3

2Q4

2Q5

GND

2Q6

2Q7

2E

GND

2CP

2D7

2D6

GND

2D5

2D4

19 2220 231716 25 26241514 2118

1Q7

2Q1

GND

GND

GND

1Q5

2Q3

V

CC

2Q2

1Q4

2Q0

1Q6

V

CC

1
2
3
4
5
6
7
8
9

10

11

12
13

47 4446 434950 41 40425152 4548

1D7

2D1

GND

GND

GND

1D5

2D3
V

CC

2D2

1D4

2D0

1D6

V

CC

39
38
37
36

35
34
33
32
31
30
29
28

27

MB2377

52-pin PQFP

È

È

È

È

È

È

Philips Semiconductors Products Product specification

MB2377

Dual octal D-type flip-flop with enable

August 23, 1993

2

PIN DESCRIPTION

PIN NUMBER SYMBOL FUNCTION

44, 43, 41, 40, 38, 37, 35, 34,

32, 31, 29, 28, 26, 25, 23, 22

1D0 – 1D7
2D0 – 2D7

Data inputs

48, 49, 51, 52, 2, 3, 5, 6,

8, 9, 11, 12, 14, 15, 17, 18

1Q0 – 1Q7
2Q0 – 2Q7

Data outputs

47, 19 1E, 2E Enable inputs (active-Low)
45, 21 1CP, 2CP Clock pulse inputs (active rising edge)

4, 7, 10, 16, 20, 24, 30, 33,

36, 42, 46, 50

GND Ground (0V)

1, 13, 27, 39 V

CC

Positive supply voltage

LOGIC SYMBOL (IEEE/IEC)

45

47

44

48

43

49

41

51

40

52

G1

1C2

38

2

37

3

35

5

34

6

2D

19

32

8

31

9

29

11

28

12

G1

21

1C2

26

14

25

15

23

17

22

18

2D

LOGIC DIAGRAM

D Q

CP

D

CP

D

CP

D Q

CP

QQ

nQ0 nQ1 nQ2 nQ3

nCP

nD0 nD1 nD2 nD3

D Q

CP

D

CP

D

CP

D Q

CP

QQ

nD4 nD5 nD6 nD7

nQ4 nQ5 nQ6 nQ7

nE

Philips Semiconductors Products Product specification

MB2377

Dual octal D-type flip-flop with enable

August 23, 1993

3

FUNCTION TABLE

INPUTS OUTPUTS OPERATING MODE

nE nCP nDx nQx

l ↑ h H Load “1”
l ↑ l L Load “0”

h

H

↑

X

X
X

no change
no change

Hold (do nothing)

H = High voltage level
h = High voltage level one set-up time prior to the Low-to-High clock transition
L = Low voltage level
l = Low voltage level one set-up time prior to the Low-to-High clock transition
X = Don’t care
↑ = Low-to-High clock transition

ABSOLUTE MAXIMUM RATINGS

1, 2

SYMBOL

PARAMETER CONDITIONS RATING UNIT

V

CC

DC supply voltage –0.5 to +7.0 V

I

IK

DC input diode current VI < 0 –18 mA

V

I

DC input voltage

3

–1.2 to +7.0 V

I

OK

DC output diode current VO < 0 –50 mA

V

OUT

DC output voltage

3

output in Off or High state –0.5 to +5.5 V

I

OUT

DC output current output in Low state 128 mA

T

stg

Storage temperature range –65 to 150 °C

NOTES:

1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.

2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150°C.

3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.

RECOMMENDED OPERATING CONDITIONS

SYMBOL PARAMETER LIMITS UNIT

Min Max

V

CC

DC supply voltage 4.5 5.5 V

V

I

Input voltage 0 V

CC

V

V

IH

High-level input voltage 2.0 V

V

IL

Low-level Input voltage 0.8 V

I

OH

High-level output current –32 mA

I

OL

Low-level output current 64 mA

∆t/∆v Input transition rise or fall rate 0 10 ns/V

T

amb

operating free-air temperature range –40 +85 °C