MCM64Z834

•MCM64Z916

26

MOTOROLA FAST SRAM

TAP AC OPERATING CONDITIONS AND CHARACTERISTICS

(TA = 0° to 70°C, Unless Otherwise Noted)

AC TEST CONDITIONS

Parameter

Value

Unit

Input Timing Reference Level

1.25

V

Input Pulse Levels

0 to 2.5

V

Input Rise/Fall Time (20% to 80%)

1

V/ns

Output Timing Reference Level

1.25

V

Output Load (See Figure 6 Unless Otherwise Noted)

—

—

TAP CONTROLLER TIMING

Parameter

Symbol

Min

Max

Unit

Notes

TCK Cycle Time

tTHTH

60

—

ns

TCK Clock High Time

tTH

25

—

ns

TCK Clock Low Time

tTL

25

—

ns

TDO Access Time

tTLQV

1

10

ns

TRST Pulse Width

tTSRT

40

—

ns

Setup Times

Capture

TDI

TMS

tCS

tDVTH

tMVTH

5

5

5

—

ns

1

Hold Times

Capture

TDI

TMS

tCH

tTHDX

tTHMX

13

14

14

—

ns

1

NOTE:

1. tCS and tCH define the minimum pauses in RAM I/O transitions to assure accurate pad data capture.

tTHDX

tTLQV

tDVTH

tTLTH

tTHMX

tMVTH

TAP CONTROLLER TIMING DIAGRAM

tTHTH

TEST CLOCK

(TCK)

TEST MODE SELECT

(TMS)

TEST DATA IN

(TDI)

TEST DATA OUT

(TDO)

tTHTL

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com