IDT71B74 Ver la hoja de datos (PDF) - Integrated Device Technology

Número de pieza

componentes Descripción

Fabricante

IDT71B74

BiCMOS STATIC RAM 64K (8K x 8-BIT) CACHE-TAG RAM

Integrated Device Technology 

IDT71B74

BiCMOS STATIC RAM 64K (8K x 8-BIT) CACHE-TAG RAM

MATCH TIMING(1)

COMMERCIAL TEMPERATURE RANGE

ADDRESS

t ADM

tCSM

t MHA

CS

tCSMHI (2)

OE

tOEMHI (2)

WE

tWEMHI (2)

RESET

DATA

VALID READ DATA

VALID MATCH

DATA

MATCH

t DAM

MATCH

t MHD

MATCH VALID

NO MATCH

NOTES:

1. It is not recommended to float data and address input pins while the MATCH pin is active.

2. Transition is measured at ±200mV from steady state.

t RSMHI (2)

3013 drw 13

AC ELECTRICAL CHARACTERISTICS (VCC = 5.0V ± 10%)

71B74S8 71B74S10 71B74S12 71B74S15

Symbol

Parameter

Min. Max. Min. Max. Min. Max. Min. Max.

Reset Cycle

tRSPW(1) Reset Pulse Width

30 — 35 — 35 — 40 —

tWERS

WE HIGH to Reset HIGH

5—

5—

5

—

5

—

tRSRC

tPORS(2)

Reset HIGH to WE LOW

Power On Reset

25 — 25 — 25 — 30 —

100 — 100 — 100 — 120 —

NOTES:

1. Recommended duty cycle = 10% maximum.

2. This parameter is guaranteed with the AC Load (Figure 1) by device characterization, but is not production tested.

71B74S20

Min. Max. Unit

45 — ns

5

— ns

30 — ns

120 — ns

3013 tbl 13

RESET TIMING

RESET

WE

tRSPW

t WERS

tRSRC

3013 drw 14

14.1

8

Share Link: