M41ST87Y, M41ST87W

20/42

Note: 1. If connected to a negative charge pump device, this pin must be isolated from the charge pump by using both n-channel and p-

channel MOSFETs as illustrated in Figure 20., page 21.

4. If ABE = '1.'

Table 5. Tamper Detect Timing

Note: 1. With input capacitance = 70pF and resistance = 50

Ω.

Symbol

Parameter

CLRPW1

CLRPW0

Min

Typ

Max

Unit

(1)

Tamper RAM Clear Ext Delay

X

X

1.5

2.0

ms

Tamper Clear Timing

00

1

s

01

4

s

10

8

s

11

16

s

TPCLR

VOUT

(1)

RST

Tamper

Event

(TB Bit set)

trec

tCLR

tCLRD

AI07083

ECON

IRQ/OUT

(3)

High-Z

(4)