IS93C76A Datasheet, PDF (4/13 Pages) Integrated Silicon Solution, Inc – 8K-BIT/16K-BIT SERIAL ELECTRICALLY ERASABLE PROM

IS93C76A
IS93C86A
ISSI ^®
INSTRUCTION SET - IS93C76A (8kb)
Instruction⁽²⁾
Start Bit OP Code
READ
1
10
WEN (Write Enable)
1
00
WRITE
1
01
WRALL (Write All Registers) 1
00
WDS (Write Disable)
1
00
ERASE
1
11
ERAL (Erase All Registers) 1
00
8-bit Organization
(ORG = GND)
Address ⁽¹⁾ Input Data
x(A9-A0)
—
11x xxxx xxxx
—
x(A9-A0)
(D7-D0)
01x xxxx xxxx (D7-D0)
00x xxxx xxxx
—
x(A9-A0)
—
10x xxxx xxxx
—
16-bit Organization
(ORG = Vcc)
Address ⁽¹⁾ Input Data
x(A8-A0)
—
11 xxxx xxxx
—
x(A8-A0)
(D15-D0)
01 xxxx xxxx
(D15-D0)
00 xxxx xxxx
—
x(A8-A0)
—
10 xxxx xxxx
—
Notes:
1. x = Don't care bit.
2. If the number of bits clocked-in does not match the number corresponding to a selected command, all extra trailing bits are ignored,
and WRITE, WRALL, ERASE, ERAL, WEN, and WDS instructions are rejected, but READ is accepted.
INSTRUCTION SET - IS93C86A (16kb)
Instruction⁽²⁾
Start Bit OP Code
READ
1
10
WEN (Write Enable)
1
00
WRITE
1
01
WRALL (Write All Registers) 1
00
WDS (Write Disable)
1
00
ERASE
1
11
ERAL (Erase All Registers) 1
00
8-bit Organization
(ORG = GND)
Address ⁽¹⁾ Input Data
(A10-A0)
—
11x xxxx xxxx
—
(A10-A0)
(D7-D0)
01x xxxx xxxx (D7-D0)
00x xxxx xxxx
—
(A10-A0)
—
10x xxxx xxxx
—
16-bit Organization
(ORG = Vcc)
Address ⁽¹⁾ Input Data
(A9-A0)
—
11 xxxx xxxx
—
(A9-A0)
(D15-D0)
01 xxxx xxxx
(D15-D0)
00 xxxx xxxx
—
(A9-A0)
—
10 xxxx xxxx
—
Notes:
1. x = Don't care bit.
2. If the number of bits clocked-in does not match the number corresponding to a selected command, all extra trailing bits are ignored,
and WRITE, WRALL, ERASE, ERAL, WEN, and WDS instructions are rejected, but READ is accepted.
4
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. 00F
05/26/05