SN54HCT652, SN74HCT652

OCTAL BUS TRANSCEIVERS AND REGISTERS

WITH 3-STATE OUTPUTS

SCLS179D – MARCH 1984 – REVISED MARCH 2003

6

POST OFFICE BOX 655303

(unless otherwise noted) (see Figure 2)

PARAMETER

FROM

TO

VCC

TA = 25°C

SN54HCT652

SN74HCT652

UNIT

PARAMETER

(INPUT)

(OUTPUT)

VCC

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

f

4.5 V

25

35

17

20

MHz

fmax

5.5 V

28

40

19

22

MHz

CLKBA or CLKAB

AorB

4.5 V

18

36

54

45

CLKBA or CLKAB

A or B

5.5 V

16

32

49

41

t d

AorB

BorA

4.5 V

14

27

41

34

ns

tpd

A or B

B or A

5.5 V

12

24

37

31

ns

SBA

SAB†

AorB

4.5 V

20

38

57

48

SBA or SAB†

A or B

5.5 V

17

34

51

43

t

OEBA

OEAB

AorB

4.5 V

25

49

74

61

ns

ten

OEBA or OEAB

A or B

5.5 V

22

44

67

55

ns

tdi

OEBA

OEAB

AorB

4.5 V

25

49

74

61

ns

tdis

OEBA or OEAB

A or B

5.5 V

22

44

67

55

ns

tt

Any

4.5 V

9

12

18

15

ns

tt

Any

5.5 V

7

11

16

14

ns

† These parameters are measured with the internal output state of the storage register opposite that of the bus input.

(unless otherwise noted) (see Figure 2)

PARAMETER

FROM

TO

VCC

TA = 25°C

SN54HCT652

SN74HCT652

UNIT

PARAMETER

(INPUT)

(OUTPUT)

VCC

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

CLKBA or CLKAB

AorB

4.5 V

24

53

80

66

CLKBA or CLKAB

A or B

5.5 V

22

47

72

60

t d

AorB

BorA

4.5 V

22

44

70

55

ns

tpd

A or B

B or A

5.5 V

20

39

60

50

ns

SBA

SAB†

AorB

4.5 V

26

55

83

69

SBA or SAB†

A or B

5.5 V

24

49

74

62

t

OEBA

OEAB

AorB

4.5 V

33

66

100

82

ns

ten

OEBA or OEAB

A or B

5.5 V

30

59

90

74

ns

tt

Any

4.5 V

17

42

63

53

ns

tt

Any

5.5 V

14

38

57

48

ns

† These parameters are measured with the internal output state of the storage register opposite that of the bus input.

PARAMETER

TEST CONDITIONS

TYP

UNIT

Cpd

Power dissipation capacitance

No load

50

pF

PRODUCT PREVIEW information concerns products in the formative or

design phase of development. Characteristic data and other

specifications are design goals. Texas Instruments reserves the right to

change or discontinue these products without notice.