TMS27C020 262144 BY 8-BIT UV ERASABLE

TMS27PC020 262144 BY 8-BIT

PROGRAMMABLE READ-ONLY MEMORIES

SMLS020C – NOVEMBER 1990 – REVISED SEPTEMBER 1997

4

POST OFFICE BOX 1443

signature mode (continued)

Table 3. Signature Mode

IDENTIFIER†

PINS

IDENTIFIER†

A0

DQ7

DQ6

DQ5

DQ4

DQ3

DQ2

DQ1

DQ0

HEX

MANUFACTURER CODE

VIL

1

0

0

1

0

1

1

1

97

DEVICE CODE

VIH

0

0

1

1

0

0

1

0

32

† E = G = VIL, A1–A8 = VIL, A9 = VH, A10–A17 = VIL, VPP = VCC.