Chapter 1. Overview
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1.6.4 AC Characteristics (VDD = 2.0~4.0, Vss = 0V, Ta = 0 ~ 70
Specification
No
Parameter
Symbol
Pin
Unit
min
250
typ
max
1
2
3
4
5
6
7
8
9
External clock input cycle time
Sys tem clock cycle time
tcp
Xin
500 1000
ns
ts ys
tcpH
tcpL
trcp
tfcp
tIH
500 1000 2000
ns
External clock puls e width High
External clock puls e width Low
External clock ris ing time
External clock falling time
interrupt pulse width High
Interrupt pulse width Low
Reset input pulse width low
Xin
Xin
Xin
Xin
40
40
40
40
2
ns
ns
ns
ns
INT 1~ INT 2
INT 1~ INT 2
RESET
ts ys
ts ys
ts ys
tIL
2
tRST L
8
Event counter input pulse
width high
Event counter input pulse
width low
Event counter input pulse
ris ing time
Event counter input pulse
falling time
10
11
12
13
tECH
tECL
trEC
tfEC
EC
EC
EC
EC
2
ts ys
ts ys
ns
2
40
40
ns
* Refer to Fig 1- 1
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HYNIX [ HYNIX SEMICONDUCTOR ]
