TMS27C256 32768 BY 8-BIT UV ERASABLE

TMS27PC256 32768 BY 8-BIT

PROGRAMMABLE READ-ONLY MEMORIES

SMLS256H– SEPTEMBER 1984 – REVISED NOVEMBER 1997

12

POST OFFICE BOX 1443

J (R-CDIP-T**)

CERAMIC SIDE-BRAZE DUAL-IN-LINE PACKAGE

4040084 / B 04/95

B

C

0.018 (0,46) MIN

0.125 (3,18) MIN

0.022 (0,56)

0.012 (0,30)

0.014 (0,36)

0.008 (0,20)

Seating Plane

A

WIDE

24

A

PINS**

DIM

MAX

MIN

NARR

0.624(15,85) 0.624(15,85)

0.590(14,99) 0.590(14,99)

1.235(31,37) 1.235(31,37)

1.265(32,13) 1.265(32,13)

MIN

MAX

B

C

MAX

MIN

0.541(13,74) 0.598(15,19)

0.514(13,06) 0.571(14,50)

0.514(13,06) 0.571(14,50)

0.541(13,74) 0.598(15,19)

1.668(42,37) 1.668(42,37)

1.632(41,45) 1.632(41,45)

0.590(14,99) 0.590(14,99)

0.624(15,85) 0.624(15,85)

NARR

32

WIDE

0.514(13,06) 0.571(14,50)

0.541(13,74) 0.598(15,19)

1.465(37,21) 1.465(37,21)

1.435(36,45) 1.435(36,45)

0.590(14,99) 0.590(14,99)

0.624(15,85) 0.624(15,85)

NARR

28

WIDE

WIDE

40

NARR

0.624(15,85) 0.624(15,85)

0.590(14,99) 0.590(14,99)

2.032(51,61) 2.032(51,61)

2.068(52,53) 2.068(52,53)

0.541(13,74) 0.598(15,19)

0.514(13,06) 0.571(14,50)

24 PIN SHOWN

1

12

24

13

0.045 (1,14)

0.065 (1,65)

0.090 (2,29)

0.060 (1,53)

Lens Protrusion

0.010 (0,25) MAX

0.175 (4,45)

0.140 (3,56)

0.100 (2,54)

0

°–10°

NOTES: A. All linear dimensions are in inches (millimeters).

B. This drawing is subject to change without notice.

C. This package can be hermetically sealed with a ceramic lid using glass frit.

D. Index point is provided on cap for terminal identification only on press ceramic glass frit seal only.