74ABT373CSC データシートの表示（PDF） - Fairchild Semiconductor

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74ABT373CSC

Octal Transparent Latch with 3-STATE Outputs

Fairchild Semiconductor 

Skew

SOIC package.

Symbol

tOSHL(13)

tOSLH(13)

tPS(15)

tOST(13)

tPV(14)

Parameter

Pin to Pin Skew,

HL Transitions

Pin to Pin Skew,

LH Transitions

Duty Cycle, LH–HL Skew

Pin to Pin Skew,

LH/HL Transitions

Device to Device Skew,

LH/HL Transitions

TA = –40°C to +85°C,

VCC = 4.5V–5.5V,

CL = 50pF,

8 Outputs Switching(11)

Max.

1.0

TA = –40°C to +85°C,

VCC = 4.5V–5.5V,

CL = 250pF,

8 Outputs Switching(12)

Max.

1.5

Units

ns

1.0

1.5

ns

1.4

3.5

ns

1.5

3.9

ns

2.0

4.0

ns

Notes:

11. This specification is guaranteed but not tested. The limits represent propagation delays with 250 pF load capacitors

in place of the 50pF load capacitors in the standard AC load.

12. This specification is guaranteed but not tested. The limits apply to propagation delays for all paths described

switching in phase (i.e., all LOW-to-HIGH, HIGH-to-LOW, etc.).

13. Skew is defined as the absolute value of the difference between the actual propagation delays for any two separate

outputs of the same device. The specification applies to any outputs switching HIGH-to-LOW (tOSHL), LOW-to-HIGH

(tOSLH), or any combination switching LOW-to-HIGH and/or HIGH-to-LOW (tOST). This specification is guaranteed

but not tested.

14. Propagation delay variation is for a given set of conditions (i.e., temperature and VCC) from device to device. This

specification is guaranteed but not tested.

15. This describes the difference between the delay of the LOW-to-HIGH and the HIGH-to-LOW transition on the same

pin. It is measured across all the outputs (drivers) on the same chip, the worst (largest delta) number is the

guaranteed specification. This specification is guaranteed but not tested.

Capacitance

Symbol

Parameter

Conditions

TA = 25°C

CIN

COUT(16)

Input Capacitance

Output Capacitance

VCC = 0V

VCC = 5.0V

Note:

16. COUT is measured at frequency f = 1MHz, per MIL-STD-883, Method 3012.

Typ.

5

9

Units

pF

pF

©1993 Fairchild Semiconductor Corporation

74ABT373 Rev. 1.4

7

www.fairchildsemi.com

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